Home / 159,731.38-220,429.92-88,110.37

Finding the Fourth Proportional to 159,731.38, 220,429.92 and 88,110.37

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Solution

The fourth proportional to 159,731.38, 220,429.92 and 88,110.37 is: 121,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731.38 : 220,429.92 = 88,110.37 : x
  2. Step 2: Convert to fraction form
    159,731.38/220,429.92 = 88,110.37/x
  3. Step 3: Cross multiply
    159,731.38x = 220,429.92 × 88,110.37
  4. Step 4: Simplify right side
    159,731.38x = 19,422,161,810.27
  5. Step 5: Solve for x
    x = 19,422,161,810.27/159,731.38
  6. Step 6: Final answer
    x = 121,592.65

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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.