Finding the Fourth Proportional to 125,541.56, 173,277.48 and 71,857.70
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Solution
The fourth proportional to 125,541.56, 173,277.48 and 71,857.70 is: 99,180.86
Step by Step Solution
- Step 1: Write the proportion equation
125,541.56 : 173,277.48 = 71,857.70 : x - Step 2: Convert to fraction form
125,541.56/173,277.48 = 71,857.70/x - Step 3: Cross multiply
125,541.56x = 173,277.48 × 71,857.70 - Step 4: Simplify right side
125,541.56x = 12,451,319,948.92 - Step 5: Solve for x
x = 12,451,319,948.92/125,541.56 - Step 6: Final answer
x = 99,180.86
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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.