Home / 136,439.38-204,354.60-104,615.18

Finding the Fourth Proportional to 136,439.38, 204,354.60 and 104,615.18

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Solution

The fourth proportional to 136,439.38, 204,354.60 and 104,615.18 is: 156,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,439.38 : 204,354.60 = 104,615.18 : x
  2. Step 2: Convert to fraction form
    136,439.38/204,354.60 = 104,615.18/x
  3. Step 3: Cross multiply
    136,439.38x = 204,354.60 × 104,615.18
  4. Step 4: Simplify right side
    136,439.38x = 21,378,593,262.83
  5. Step 5: Solve for x
    x = 21,378,593,262.83/136,439.38
  6. Step 6: Final answer
    x = 156,689.32

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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.