Home / 199,144.72-274,818.19-108,500.41

Finding the Fourth Proportional to 199,144.72, 274,818.19 and 108,500.41

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Solution

The fourth proportional to 199,144.72, 274,818.19 and 108,500.41 is: 149,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,144.72 : 274,818.19 = 108,500.41 : x
  2. Step 2: Convert to fraction form
    199,144.72/274,818.19 = 108,500.41/x
  3. Step 3: Cross multiply
    199,144.72x = 274,818.19 × 108,500.41
  4. Step 4: Simplify right side
    199,144.72x = 29,817,884,645.12
  5. Step 5: Solve for x
    x = 29,817,884,645.12/199,144.72
  6. Step 6: Final answer
    x = 149,729.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.