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Finding the Fourth Proportional to 159,550.60, 220,258.56 and 108,826.80

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Solution

The fourth proportional to 159,550.60, 220,258.56 and 108,826.80 is: 150,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,550.60 : 220,258.56 = 108,826.80 : x
  2. Step 2: Convert to fraction form
    159,550.60/220,258.56 = 108,826.80/x
  3. Step 3: Cross multiply
    159,550.60x = 220,258.56 × 108,826.80
  4. Step 4: Simplify right side
    159,550.60x = 23,970,034,257.41
  5. Step 5: Solve for x
    x = 23,970,034,257.41/159,550.60
  6. Step 6: Final answer
    x = 150,234.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.