Home / 134,650.91-185,817.33-74,221.61

Finding the Fourth Proportional to 134,650.91, 185,817.33 and 74,221.61

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Solution

The fourth proportional to 134,650.91, 185,817.33 and 74,221.61 is: 102,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,650.91 : 185,817.33 = 74,221.61 : x
  2. Step 2: Convert to fraction form
    134,650.91/185,817.33 = 74,221.61/x
  3. Step 3: Cross multiply
    134,650.91x = 185,817.33 × 74,221.61
  4. Step 4: Simplify right side
    134,650.91x = 13,791,660,469.41
  5. Step 5: Solve for x
    x = 13,791,660,469.41/134,650.91
  6. Step 6: Final answer
    x = 102,425.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.