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Finding the Fourth Proportional to 159,769.60, 220,480.44 and 88,150.12

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Solution

The fourth proportional to 159,769.60, 220,480.44 and 88,150.12 is: 121,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,769.60 : 220,480.44 = 88,150.12 : x
  2. Step 2: Convert to fraction form
    159,769.60/220,480.44 = 88,150.12/x
  3. Step 3: Cross multiply
    159,769.60x = 220,480.44 × 88,150.12
  4. Step 4: Simplify right side
    159,769.60x = 19,435,377,243.65
  5. Step 5: Solve for x
    x = 19,435,377,243.65/159,769.60
  6. Step 6: Final answer
    x = 121,646.28

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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.