Home / 99,738.20-149,638.34-29,617.88

Finding the Fourth Proportional to 99,738.20, 149,638.34 and 29,617.88

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Solution

The fourth proportional to 99,738.20, 149,638.34 and 29,617.88 is: 44,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,738.20 : 149,638.34 = 29,617.88 : x
  2. Step 2: Convert to fraction form
    99,738.20/149,638.34 = 29,617.88/x
  3. Step 3: Cross multiply
    99,738.20x = 149,638.34 × 29,617.88
  4. Step 4: Simplify right side
    99,738.20x = 4,431,970,397.52
  5. Step 5: Solve for x
    x = 4,431,970,397.52/99,738.20
  6. Step 6: Final answer
    x = 44,436.04

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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.