Home / 198,759.14-274,289.06-108,115.89

Finding the Fourth Proportional to 198,759.14, 274,289.06 and 108,115.89

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Solution

The fourth proportional to 198,759.14, 274,289.06 and 108,115.89 is: 149,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,759.14 : 274,289.06 = 108,115.89 : x
  2. Step 2: Convert to fraction form
    198,759.14/274,289.06 = 108,115.89/x
  3. Step 3: Cross multiply
    198,759.14x = 274,289.06 × 108,115.89
  4. Step 4: Simplify right side
    198,759.14x = 29,655,006,109.45
  5. Step 5: Solve for x
    x = 29,655,006,109.45/198,759.14
  6. Step 6: Final answer
    x = 149,200.71

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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.