Home / 198,635.84-274,122.86-107,997.90

Finding the Fourth Proportional to 198,635.84, 274,122.86 and 107,997.90

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Solution

The fourth proportional to 198,635.84, 274,122.86 and 107,997.90 is: 149,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,635.84 : 274,122.86 = 107,997.90 : x
  2. Step 2: Convert to fraction form
    198,635.84/274,122.86 = 107,997.90/x
  3. Step 3: Cross multiply
    198,635.84x = 274,122.86 × 107,997.90
  4. Step 4: Simplify right side
    198,635.84x = 29,604,693,221.99
  5. Step 5: Solve for x
    x = 29,604,693,221.99/198,635.84
  6. Step 6: Final answer
    x = 149,040.04

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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.