Home / 148,408.61-222,456.17-48,542.09

Finding the Fourth Proportional to 148,408.61, 222,456.17 and 48,542.09

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Solution

The fourth proportional to 148,408.61, 222,456.17 and 48,542.09 is: 72,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,408.61 : 222,456.17 = 48,542.09 : x
  2. Step 2: Convert to fraction form
    148,408.61/222,456.17 = 48,542.09/x
  3. Step 3: Cross multiply
    148,408.61x = 222,456.17 × 48,542.09
  4. Step 4: Simplify right side
    148,408.61x = 10,798,486,434.27
  5. Step 5: Solve for x
    x = 10,798,486,434.27/148,408.61
  6. Step 6: Final answer
    x = 72,761.86

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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.