Home / 136,438.38-204,353.10-104,614.18

Finding the Fourth Proportional to 136,438.38, 204,353.10 and 104,614.18

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Solution

The fourth proportional to 136,438.38, 204,353.10 and 104,614.18 is: 156,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,438.38 : 204,353.10 = 104,614.18 : x
  2. Step 2: Convert to fraction form
    136,438.38/204,353.10 = 104,614.18/x
  3. Step 3: Cross multiply
    136,438.38x = 204,353.10 × 104,614.18
  4. Step 4: Simplify right side
    136,438.38x = 21,378,231,476.08
  5. Step 5: Solve for x
    x = 21,378,231,476.08/136,438.38
  6. Step 6: Final answer
    x = 156,687.81

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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.