Home / 87,819.20-131,793.60-35,266.40

Finding the Fourth Proportional to 87,819.20, 131,793.60 and 35,266.40

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Solution

The fourth proportional to 87,819.20, 131,793.60 and 35,266.40 is: 52,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,819.20 : 131,793.60 = 35,266.40 : x
  2. Step 2: Convert to fraction form
    87,819.20/131,793.60 = 35,266.40/x
  3. Step 3: Cross multiply
    87,819.20x = 131,793.60 × 35,266.40
  4. Step 4: Simplify right side
    87,819.20x = 4,647,885,815.04
  5. Step 5: Solve for x
    x = 4,647,885,815.04/87,819.20
  6. Step 6: Final answer
    x = 52,925.62

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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.