Home / 87,462.60-131,160.96-28,282.38

Finding the Fourth Proportional to 87,462.60, 131,160.96 and 28,282.38

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Solution

The fourth proportional to 87,462.60, 131,160.96 and 28,282.38 is: 42,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462.60 : 131,160.96 = 28,282.38 : x
  2. Step 2: Convert to fraction form
    87,462.60/131,160.96 = 28,282.38/x
  3. Step 3: Cross multiply
    87,462.60x = 131,160.96 × 28,282.38
  4. Step 4: Simplify right side
    87,462.60x = 3,709,544,111.88
  5. Step 5: Solve for x
    x = 3,709,544,111.88/87,462.60
  6. Step 6: Final answer
    x = 42,412.92

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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.