Home / 156,565.85-234,867.06-49,912.61

Finding the Fourth Proportional to 156,565.85, 234,867.06 and 49,912.61

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Solution

The fourth proportional to 156,565.85, 234,867.06 and 49,912.61 is: 74,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,565.85 : 234,867.06 = 49,912.61 : x
  2. Step 2: Convert to fraction form
    156,565.85/234,867.06 = 49,912.61/x
  3. Step 3: Cross multiply
    156,565.85x = 234,867.06 × 49,912.61
  4. Step 4: Simplify right side
    156,565.85x = 11,722,826,793.29
  5. Step 5: Solve for x
    x = 11,722,826,793.29/156,565.85
  6. Step 6: Final answer
    x = 74,874.74

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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.