Finding the Fourth Proportional to 125,304.96, 187,979.04 and 66,190.08
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Solution
The fourth proportional to 125,304.96, 187,979.04 and 66,190.08 is: 99,296.53
Step by Step Solution
- Step 1: Write the proportion equation
125,304.96 : 187,979.04 = 66,190.08 : x - Step 2: Convert to fraction form
125,304.96/187,979.04 = 66,190.08/x - Step 3: Cross multiply
125,304.96x = 187,979.04 × 66,190.08 - Step 4: Simplify right side
125,304.96x = 12,442,347,695.92 - Step 5: Solve for x
x = 12,442,347,695.92/125,304.96 - Step 6: Final answer
x = 99,296.53
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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.