Home / 90,822.20-136,233.30-24,272.60

Finding the Fourth Proportional to 90,822.20, 136,233.30 and 24,272.60

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Solution

The fourth proportional to 90,822.20, 136,233.30 and 24,272.60 is: 36,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,822.20 : 136,233.30 = 24,272.60 : x
  2. Step 2: Convert to fraction form
    90,822.20/136,233.30 = 24,272.60/x
  3. Step 3: Cross multiply
    90,822.20x = 136,233.30 × 24,272.60
  4. Step 4: Simplify right side
    90,822.20x = 3,306,736,397.58
  5. Step 5: Solve for x
    x = 3,306,736,397.58/90,822.20
  6. Step 6: Final answer
    x = 36,408.90

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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.