Home / 131,375.91-179,985.66-126,455.88

Finding the Fourth Proportional to 131,375.91, 179,985.66 and 126,455.88

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Solution

The fourth proportional to 131,375.91, 179,985.66 and 126,455.88 is: 173,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,375.91 : 179,985.66 = 126,455.88 : x
  2. Step 2: Convert to fraction form
    131,375.91/179,985.66 = 126,455.88/x
  3. Step 3: Cross multiply
    131,375.91x = 179,985.66 × 126,455.88
  4. Step 4: Simplify right side
    131,375.91x = 22,760,245,022.68
  5. Step 5: Solve for x
    x = 22,760,245,022.68/131,375.91
  6. Step 6: Final answer
    x = 173,245.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.