Home / 129,226.43-193,839.72-49,245.75

Finding the Fourth Proportional to 129,226.43, 193,839.72 and 49,245.75

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Solution

The fourth proportional to 129,226.43, 193,839.72 and 49,245.75 is: 73,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,226.43 : 193,839.72 = 49,245.75 : x
  2. Step 2: Convert to fraction form
    129,226.43/193,839.72 = 49,245.75/x
  3. Step 3: Cross multiply
    129,226.43x = 193,839.72 × 49,245.75
  4. Step 4: Simplify right side
    129,226.43x = 9,545,782,206.52
  5. Step 5: Solve for x
    x = 9,545,782,206.52/129,226.43
  6. Step 6: Final answer
    x = 73,868.65

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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.