Finding the Fourth Proportional to 136,531.98, 204,710.49 and 66,373.02
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Solution
The fourth proportional to 136,531.98, 204,710.49 and 66,373.02 is: 99,517.00
Step by Step Solution
- Step 1: Write the proportion equation
136,531.98 : 204,710.49 = 66,373.02 : x - Step 2: Convert to fraction form
136,531.98/204,710.49 = 66,373.02/x - Step 3: Cross multiply
136,531.98x = 204,710.49 × 66,373.02 - Step 4: Simplify right side
136,531.98x = 13,587,253,446.98 - Step 5: Solve for x
x = 13,587,253,446.98/136,531.98 - Step 6: Final answer
x = 99,517.00
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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.