Home / 122,948.30-184,422.45-80,957.90

Finding the Fourth Proportional to 122,948.30, 184,422.45 and 80,957.90

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Solution

The fourth proportional to 122,948.30, 184,422.45 and 80,957.90 is: 121,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.30 : 184,422.45 = 80,957.90 : x
  2. Step 2: Convert to fraction form
    122,948.30/184,422.45 = 80,957.90/x
  3. Step 3: Cross multiply
    122,948.30x = 184,422.45 × 80,957.90
  4. Step 4: Simplify right side
    122,948.30x = 14,930,454,264.86
  5. Step 5: Solve for x
    x = 14,930,454,264.86/122,948.30
  6. Step 6: Final answer
    x = 121,436.85

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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.