Home / 204,149.31-306,286.19-104,379.54

Finding the Fourth Proportional to 204,149.31, 306,286.19 and 104,379.54

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Solution

The fourth proportional to 204,149.31, 306,286.19 and 104,379.54 is: 156,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,149.31 : 306,286.19 = 104,379.54 : x
  2. Step 2: Convert to fraction form
    204,149.31/306,286.19 = 104,379.54/x
  3. Step 3: Cross multiply
    204,149.31x = 306,286.19 × 104,379.54
  4. Step 4: Simplify right side
    204,149.31x = 31,970,011,098.65
  5. Step 5: Solve for x
    x = 31,970,011,098.65/204,149.31
  6. Step 6: Final answer
    x = 156,601.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.