Home / 87,864.60-131,796.90-52,786.20

Finding the Fourth Proportional to 87,864.60, 131,796.90 and 52,786.20

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Solution

The fourth proportional to 87,864.60, 131,796.90 and 52,786.20 is: 79,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,864.60 : 131,796.90 = 52,786.20 : x
  2. Step 2: Convert to fraction form
    87,864.60/131,796.90 = 52,786.20/x
  3. Step 3: Cross multiply
    87,864.60x = 131,796.90 × 52,786.20
  4. Step 4: Simplify right side
    87,864.60x = 6,957,057,522.78
  5. Step 5: Solve for x
    x = 6,957,057,522.78/87,864.60
  6. Step 6: Final answer
    x = 79,179.30

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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.