Home / 87,866.60-131,799.90-52,788.20

Finding the Fourth Proportional to 87,866.60, 131,799.90 and 52,788.20

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Solution

The fourth proportional to 87,866.60, 131,799.90 and 52,788.20 is: 79,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,866.60 : 131,799.90 = 52,788.20 : x
  2. Step 2: Convert to fraction form
    87,866.60/131,799.90 = 52,788.20/x
  3. Step 3: Cross multiply
    87,866.60x = 131,799.90 × 52,788.20
  4. Step 4: Simplify right side
    87,866.60x = 6,957,479,481.18
  5. Step 5: Solve for x
    x = 6,957,479,481.18/87,866.60
  6. Step 6: Final answer
    x = 79,182.30

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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.