Finding the Fourth Proportional to 125,470.15, 173,137.30 and 74,474.17
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Solution
The fourth proportional to 125,470.15, 173,137.30 and 74,474.17 is: 102,767.52
Step by Step Solution
- Step 1: Write the proportion equation
125,470.15 : 173,137.30 = 74,474.17 : x - Step 2: Convert to fraction form
125,470.15/173,137.30 = 74,474.17/x - Step 3: Cross multiply
125,470.15x = 173,137.30 × 74,474.17 - Step 4: Simplify right side
125,470.15x = 12,894,256,094.51 - Step 5: Solve for x
x = 12,894,256,094.51/125,470.15 - Step 6: Final answer
x = 102,767.52
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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.