Home / 159,780.92-220,497.18-88,160.30

Finding the Fourth Proportional to 159,780.92, 220,497.18 and 88,160.30

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Solution

The fourth proportional to 159,780.92, 220,497.18 and 88,160.30 is: 121,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,780.92 : 220,497.18 = 88,160.30 : x
  2. Step 2: Convert to fraction form
    159,780.92/220,497.18 = 88,160.30/x
  3. Step 3: Cross multiply
    159,780.92x = 220,497.18 × 88,160.30
  4. Step 4: Simplify right side
    159,780.92x = 19,439,097,537.95
  5. Step 5: Solve for x
    x = 19,439,097,537.95/159,780.92
  6. Step 6: Final answer
    x = 121,660.94

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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.