Finding the Fourth Proportional to 125,034.92, 187,458.05 and 40,744.75
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Solution
The fourth proportional to 125,034.92, 187,458.05 and 40,744.75 is: 61,086.38
Step by Step Solution
- Step 1: Write the proportion equation
125,034.92 : 187,458.05 = 40,744.75 : x - Step 2: Convert to fraction form
125,034.92/187,458.05 = 40,744.75/x - Step 3: Cross multiply
125,034.92x = 187,458.05 × 40,744.75 - Step 4: Simplify right side
125,034.92x = 7,637,930,611.02 - Step 5: Solve for x
x = 7,637,930,611.02/125,034.92 - Step 6: Final answer
x = 61,086.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.