Finding the Fourth Proportional to 117,167.54, 161,691.26 and 63,452.79
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Solution
The fourth proportional to 117,167.54, 161,691.26 and 63,452.79 is: 87,564.88
Step by Step Solution
- Step 1: Write the proportion equation
117,167.54 : 161,691.26 = 63,452.79 : x - Step 2: Convert to fraction form
117,167.54/161,691.26 = 63,452.79/x - Step 3: Cross multiply
117,167.54x = 161,691.26 × 63,452.79 - Step 4: Simplify right side
117,167.54x = 10,259,761,248.35 - Step 5: Solve for x
x = 10,259,761,248.35/117,167.54 - Step 6: Final answer
x = 87,564.88
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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.