Home / 87,904.28-131,860.07-25,574.78

Finding the Fourth Proportional to 87,904.28, 131,860.07 and 25,574.78

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Solution

The fourth proportional to 87,904.28, 131,860.07 and 25,574.78 is: 38,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,904.28 : 131,860.07 = 25,574.78 : x
  2. Step 2: Convert to fraction form
    87,904.28/131,860.07 = 25,574.78/x
  3. Step 3: Cross multiply
    87,904.28x = 131,860.07 × 25,574.78
  4. Step 4: Simplify right side
    87,904.28x = 3,372,291,493.86
  5. Step 5: Solve for x
    x = 3,372,291,493.86/87,904.28
  6. Step 6: Final answer
    x = 38,363.23

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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.