Finding the Fourth Proportional to 136,129.20, 204,193.80 and 62,257.20
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Solution
The fourth proportional to 136,129.20, 204,193.80 and 62,257.20 is: 93,385.80
Step by Step Solution
- Step 1: Write the proportion equation
136,129.20 : 204,193.80 = 62,257.20 : x - Step 2: Convert to fraction form
136,129.20/204,193.80 = 62,257.20/x - Step 3: Cross multiply
136,129.20x = 204,193.80 × 62,257.20 - Step 4: Simplify right side
136,129.20x = 12,712,534,245.36 - Step 5: Solve for x
x = 12,712,534,245.36/136,129.20 - Step 6: Final answer
x = 93,385.80
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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.