Home / 198,932.23-274,529.97-108,290.80

Finding the Fourth Proportional to 198,932.23, 274,529.97 and 108,290.80

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Solution

The fourth proportional to 198,932.23, 274,529.97 and 108,290.80 is: 149,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,932.23 : 274,529.97 = 108,290.80 : x
  2. Step 2: Convert to fraction form
    198,932.23/274,529.97 = 108,290.80/x
  3. Step 3: Cross multiply
    198,932.23x = 274,529.97 × 108,290.80
  4. Step 4: Simplify right side
    198,932.23x = 29,729,070,075.28
  5. Step 5: Solve for x
    x = 29,729,070,075.28/198,932.23
  6. Step 6: Final answer
    x = 149,443.21

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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.