Home / 115,469.28-173,222.04-48,909.78

Finding the Fourth Proportional to 115,469.28, 173,222.04 and 48,909.78

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Solution

The fourth proportional to 115,469.28, 173,222.04 and 48,909.78 is: 73,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,469.28 : 173,222.04 = 48,909.78 : x
  2. Step 2: Convert to fraction form
    115,469.28/173,222.04 = 48,909.78/x
  3. Step 3: Cross multiply
    115,469.28x = 173,222.04 × 48,909.78
  4. Step 4: Simplify right side
    115,469.28x = 8,472,251,867.55
  5. Step 5: Solve for x
    x = 8,472,251,867.55/115,469.28
  6. Step 6: Final answer
    x = 73,372.35

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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.