Finding the Fourth Proportional to 117,250.43, 161,805.74 and 63,535.44
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Solution
The fourth proportional to 117,250.43, 161,805.74 and 63,535.44 is: 87,678.99
Step by Step Solution
- Step 1: Write the proportion equation
117,250.43 : 161,805.74 = 63,535.44 : x - Step 2: Convert to fraction form
117,250.43/161,805.74 = 63,535.44/x - Step 3: Cross multiply
117,250.43x = 161,805.74 × 63,535.44 - Step 4: Simplify right side
117,250.43x = 10,280,398,567.75 - Step 5: Solve for x
x = 10,280,398,567.75/117,250.43 - Step 6: Final answer
x = 87,678.99
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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.