Home / 129,170.12-193,749.92-44,949.56

Finding the Fourth Proportional to 129,170.12, 193,749.92 and 44,949.56

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Solution

The fourth proportional to 129,170.12, 193,749.92 and 44,949.56 is: 67,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,170.12 : 193,749.92 = 44,949.56 : x
  2. Step 2: Convert to fraction form
    129,170.12/193,749.92 = 44,949.56/x
  3. Step 3: Cross multiply
    129,170.12x = 193,749.92 × 44,949.56
  4. Step 4: Simplify right side
    129,170.12x = 8,708,973,654.04
  5. Step 5: Solve for x
    x = 8,708,973,654.04/129,170.12
  6. Step 6: Final answer
    x = 67,422.51

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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.