Home / 129,306.12-193,937.18-35,789.96

Finding the Fourth Proportional to 129,306.12, 193,937.18 and 35,789.96

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Solution

The fourth proportional to 129,306.12, 193,937.18 and 35,789.96 is: 53,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,306.12 : 193,937.18 = 35,789.96 : x
  2. Step 2: Convert to fraction form
    129,306.12/193,937.18 = 35,789.96/x
  3. Step 3: Cross multiply
    129,306.12x = 193,937.18 × 35,789.96
  4. Step 4: Simplify right side
    129,306.12x = 6,941,003,914.71
  5. Step 5: Solve for x
    x = 6,941,003,914.71/129,306.12
  6. Step 6: Final answer
    x = 53,678.85

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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.