Home / 87,181.20-120,306.42-49,462.56

Finding the Fourth Proportional to 87,181.20, 120,306.42 and 49,462.56

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Solution

The fourth proportional to 87,181.20, 120,306.42 and 49,462.56 is: 68,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,181.20 : 120,306.42 = 49,462.56 : x
  2. Step 2: Convert to fraction form
    87,181.20/120,306.42 = 49,462.56/x
  3. Step 3: Cross multiply
    87,181.20x = 120,306.42 × 49,462.56
  4. Step 4: Simplify right side
    87,181.20x = 5,950,663,517.64
  5. Step 5: Solve for x
    x = 5,950,663,517.64/87,181.20
  6. Step 6: Final answer
    x = 68,256.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.