Home / 132,876.44-199,089.12-80,175.20

Finding the Fourth Proportional to 132,876.44, 199,089.12 and 80,175.20

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Solution

The fourth proportional to 132,876.44, 199,089.12 and 80,175.20 is: 120,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,876.44 : 199,089.12 = 80,175.20 : x
  2. Step 2: Convert to fraction form
    132,876.44/199,089.12 = 80,175.20/x
  3. Step 3: Cross multiply
    132,876.44x = 199,089.12 × 80,175.20
  4. Step 4: Simplify right side
    132,876.44x = 15,962,010,013.82
  5. Step 5: Solve for x
    x = 15,962,010,013.82/132,876.44
  6. Step 6: Final answer
    x = 120,126.71

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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.