Finding the Fourth Proportional to 117,148.87, 161,665.23 and 63,433.99
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Solution
The fourth proportional to 117,148.87, 161,665.23 and 63,433.99 is: 87,538.79
Step by Step Solution
- Step 1: Write the proportion equation
117,148.87 : 161,665.23 = 63,433.99 : x - Step 2: Convert to fraction form
117,148.87/161,665.23 = 63,433.99/x - Step 3: Cross multiply
117,148.87x = 161,665.23 × 63,433.99 - Step 4: Simplify right side
117,148.87x = 10,255,070,583.17 - Step 5: Solve for x
x = 10,255,070,583.17/117,148.87 - Step 6: Final answer
x = 87,538.79
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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.