Home / 84,109.46-126,146.97-24,121.87

Finding the Fourth Proportional to 84,109.46, 126,146.97 and 24,121.87

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Solution

The fourth proportional to 84,109.46, 126,146.97 and 24,121.87 is: 36,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,109.46 : 126,146.97 = 24,121.87 : x
  2. Step 2: Convert to fraction form
    84,109.46/126,146.97 = 24,121.87/x
  3. Step 3: Cross multiply
    84,109.46x = 126,146.97 × 24,121.87
  4. Step 4: Simplify right side
    84,109.46x = 3,042,900,495.87
  5. Step 5: Solve for x
    x = 3,042,900,495.87/84,109.46
  6. Step 6: Final answer
    x = 36,177.86

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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.