Home / 198,775.76-274,311.76-108,132.56

Finding the Fourth Proportional to 198,775.76, 274,311.76 and 108,132.56

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Solution

The fourth proportional to 198,775.76, 274,311.76 and 108,132.56 is: 149,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,775.76 : 274,311.76 = 108,132.56 : x
  2. Step 2: Convert to fraction form
    198,775.76/274,311.76 = 108,132.56/x
  3. Step 3: Cross multiply
    198,775.76x = 274,311.76 × 108,132.56
  4. Step 4: Simplify right side
    198,775.76x = 29,662,032,846.91
  5. Step 5: Solve for x
    x = 29,662,032,846.91/198,775.76
  6. Step 6: Final answer
    x = 149,223.59

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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.