Home / 198,954.82-274,554.93-108,311.57

Finding the Fourth Proportional to 198,954.82, 274,554.93 and 108,311.57

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Solution

The fourth proportional to 198,954.82, 274,554.93 and 108,311.57 is: 149,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,954.82 : 274,554.93 = 108,311.57 : x
  2. Step 2: Convert to fraction form
    198,954.82/274,554.93 = 108,311.57/x
  3. Step 3: Cross multiply
    198,954.82x = 274,554.93 × 108,311.57
  4. Step 4: Simplify right side
    198,954.82x = 29,737,475,519.54
  5. Step 5: Solve for x
    x = 29,737,475,519.54/198,954.82
  6. Step 6: Final answer
    x = 149,468.48

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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.