Home / 136,141.26-204,184.97-129,390.11

Finding the Fourth Proportional to 136,141.26, 204,184.97 and 129,390.11

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Solution

The fourth proportional to 136,141.26, 204,184.97 and 129,390.11 is: 194,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,141.26 : 204,184.97 = 129,390.11 : x
  2. Step 2: Convert to fraction form
    136,141.26/204,184.97 = 129,390.11/x
  3. Step 3: Cross multiply
    136,141.26x = 204,184.97 × 129,390.11
  4. Step 4: Simplify right side
    136,141.26x = 26,419,515,311.68
  5. Step 5: Solve for x
    x = 26,419,515,311.68/136,141.26
  6. Step 6: Final answer
    x = 194,059.58

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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.