Home / 125,104.89-187,657.38-31,610.64

Finding the Fourth Proportional to 125,104.89, 187,657.38 and 31,610.64

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Solution

The fourth proportional to 125,104.89, 187,657.38 and 31,610.64 is: 47,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,104.89 : 187,657.38 = 31,610.64 : x
  2. Step 2: Convert to fraction form
    125,104.89/187,657.38 = 31,610.64/x
  3. Step 3: Cross multiply
    125,104.89x = 187,657.38 × 31,610.64
  4. Step 4: Simplify right side
    125,104.89x = 5,931,969,882.52
  5. Step 5: Solve for x
    x = 5,931,969,882.52/125,104.89
  6. Step 6: Final answer
    x = 47,415.97

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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.