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Finding the Fourth Proportional to 87,819.19, 131,728.88 and 41,104.87

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Solution

The fourth proportional to 87,819.19, 131,728.88 and 41,104.87 is: 61,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,819.19 : 131,728.88 = 41,104.87 : x
  2. Step 2: Convert to fraction form
    87,819.19/131,728.88 = 41,104.87/x
  3. Step 3: Cross multiply
    87,819.19x = 131,728.88 × 41,104.87
  4. Step 4: Simplify right side
    87,819.19x = 5,414,698,487.65
  5. Step 5: Solve for x
    x = 5,414,698,487.65/87,819.19
  6. Step 6: Final answer
    x = 61,657.35

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1.5x scale

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.