Finding the Fourth Proportional to 125,517.04, 173,205.28 and 74,527.14
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Solution
The fourth proportional to 125,517.04, 173,205.28 and 74,527.14 is: 102,842.56
Step by Step Solution
- Step 1: Write the proportion equation
125,517.04 : 173,205.28 = 74,527.14 : x - Step 2: Convert to fraction form
125,517.04/173,205.28 = 74,527.14/x - Step 3: Cross multiply
125,517.04x = 173,205.28 × 74,527.14 - Step 4: Simplify right side
125,517.04x = 12,908,493,098.96 - Step 5: Solve for x
x = 12,908,493,098.96/125,517.04 - Step 6: Final answer
x = 102,842.56
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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.