Finding the Fourth Proportional to 147,851.48, 204,036.99 and 84,189.53
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Solution
The fourth proportional to 147,851.48, 204,036.99 and 84,189.53 is: 116,182.66
Step by Step Solution
- Step 1: Write the proportion equation
147,851.48 : 204,036.99 = 84,189.53 : x - Step 2: Convert to fraction form
147,851.48/204,036.99 = 84,189.53/x - Step 3: Cross multiply
147,851.48x = 204,036.99 × 84,189.53 - Step 4: Simplify right side
147,851.48x = 17,177,778,290.71 - Step 5: Solve for x
x = 17,177,778,290.71/147,851.48 - Step 6: Final answer
x = 116,182.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.