Home / 198,712.26-274,223.97-108,068.94

Finding the Fourth Proportional to 198,712.26, 274,223.97 and 108,068.94

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Solution

The fourth proportional to 198,712.26, 274,223.97 and 108,068.94 is: 149,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,712.26 : 274,223.97 = 108,068.94 : x
  2. Step 2: Convert to fraction form
    198,712.26/274,223.97 = 108,068.94/x
  3. Step 3: Cross multiply
    198,712.26x = 274,223.97 × 108,068.94
  4. Step 4: Simplify right side
    198,712.26x = 29,635,093,760.49
  5. Step 5: Solve for x
    x = 29,635,093,760.49/198,712.26
  6. Step 6: Final answer
    x = 149,135.71

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1.5x scale

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.