Home / 125,239.27-187,856.31-30,469.95

Finding the Fourth Proportional to 125,239.27, 187,856.31 and 30,469.95

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Solution

The fourth proportional to 125,239.27, 187,856.31 and 30,469.95 is: 45,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,239.27 : 187,856.31 = 30,469.95 : x
  2. Step 2: Convert to fraction form
    125,239.27/187,856.31 = 30,469.95/x
  3. Step 3: Cross multiply
    125,239.27x = 187,856.31 × 30,469.95
  4. Step 4: Simplify right side
    125,239.27x = 5,723,972,372.88
  5. Step 5: Solve for x
    x = 5,723,972,372.88/125,239.27
  6. Step 6: Final answer
    x = 45,704.29

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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.