Home / 136,149.11-204,196.67-129,397.91

Finding the Fourth Proportional to 136,149.11, 204,196.67 and 129,397.91

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Solution

The fourth proportional to 136,149.11, 204,196.67 and 129,397.91 is: 194,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,149.11 : 204,196.67 = 129,397.91 : x
  2. Step 2: Convert to fraction form
    136,149.11/204,196.67 = 129,397.91/x
  3. Step 3: Cross multiply
    136,149.11x = 204,196.67 × 129,397.91
  4. Step 4: Simplify right side
    136,149.11x = 26,422,621,305.98
  5. Step 5: Solve for x
    x = 26,422,621,305.98/136,149.11
  6. Step 6: Final answer
    x = 194,071.21

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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.