Home / 159,815.94-220,545.78-88,195.98

Finding the Fourth Proportional to 159,815.94, 220,545.78 and 88,195.98

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Solution

The fourth proportional to 159,815.94, 220,545.78 and 88,195.98 is: 121,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,815.94 : 220,545.78 = 88,195.98 : x
  2. Step 2: Convert to fraction form
    159,815.94/220,545.78 = 88,195.98/x
  3. Step 3: Cross multiply
    159,815.94x = 220,545.78 × 88,195.98
  4. Step 4: Simplify right side
    159,815.94x = 19,451,251,201.96
  5. Step 5: Solve for x
    x = 19,451,251,201.96/159,815.94
  6. Step 6: Final answer
    x = 121,710.33

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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.