Home / 67,142.35-100,691.97-22,153.60

Finding the Fourth Proportional to 67,142.35, 100,691.97 and 22,153.60

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Solution

The fourth proportional to 67,142.35, 100,691.97 and 22,153.60 is: 33,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.35 : 100,691.97 = 22,153.60 : x
  2. Step 2: Convert to fraction form
    67,142.35/100,691.97 = 22,153.60/x
  3. Step 3: Cross multiply
    67,142.35x = 100,691.97 × 22,153.60
  4. Step 4: Simplify right side
    67,142.35x = 2,230,689,626.59
  5. Step 5: Solve for x
    x = 2,230,689,626.59/67,142.35
  6. Step 6: Final answer
    x = 33,223.29

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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.