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Finding the Fourth Proportional to 159,841.34, 220,565.34 and 88,216.73

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Solution

The fourth proportional to 159,841.34, 220,565.34 and 88,216.73 is: 121,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,841.34 : 220,565.34 = 88,216.73 : x
  2. Step 2: Convert to fraction form
    159,841.34/220,565.34 = 88,216.73/x
  3. Step 3: Cross multiply
    159,841.34x = 220,565.34 × 88,216.73
  4. Step 4: Simplify right side
    159,841.34x = 19,457,553,046.14
  5. Step 5: Solve for x
    x = 19,457,553,046.14/159,841.34
  6. Step 6: Final answer
    x = 121,730.42

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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.