Calculate Percentage: Finding What Percent 45 is of 180

Question

Calculate 45 over 180 as a percentage:

Video Solution

Solution Steps

00:00 What percentage is 45 out of 180?
00:04 Let's use the formula to calculate the percentage of one number from another
00:12 Divide the number by the second number and multiply by 100
00:18 Break down into factors and reduce as much as possible
00:35 And this is the solution to the question

Step-by-Step Solution

When calculating percentages, we need to know the following simple equation:

Percentage calculation formula

Using the two pieces of known data, we are able to calculate the percentage:

In this case, we know the percentage value - 45

And the initial quantity - 180

Therefore, we can insert this information into the formula:

X/100 = 45/180

We'll multiply by cross multiplication:

180X=45*100

180X=4500

Let's reduce:

18X=450

Divide by 18:

X=25

Hence the answer is 25%

Answer

25%