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Finding the Fourth Proportional to 87,147, 130,722.12 and 24,819.12

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Solution

The fourth proportional to 87,147, 130,722.12 and 24,819.12 is: 37,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,147 : 130,722.12 = 24,819.12 : x
  2. Step 2: Convert to fraction form
    87,147/130,722.12 = 24,819.12/x
  3. Step 3: Cross multiply
    87,147x = 130,722.12 × 24,819.12
  4. Step 4: Simplify right side
    87,147x = 3,244,407,982.93
  5. Step 5: Solve for x
    x = 3,244,407,982.93/87,147
  6. Step 6: Final answer
    x = 37,229.14

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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.