Home / 231,200.92-346,658.82-129,839.68

Finding the Fourth Proportional to 231,200.92, 346,658.82 and 129,839.68

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Solution

The fourth proportional to 231,200.92, 346,658.82 and 129,839.68 is: 194,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,200.92 : 346,658.82 = 129,839.68 : x
  2. Step 2: Convert to fraction form
    231,200.92/346,658.82 = 129,839.68/x
  3. Step 3: Cross multiply
    231,200.92x = 346,658.82 × 129,839.68
  4. Step 4: Simplify right side
    231,200.92x = 45,010,070,257.98
  5. Step 5: Solve for x
    x = 45,010,070,257.98/231,200.92
  6. Step 6: Final answer
    x = 194,679.46

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1.5x scale

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.