Home / 198,960.80-274,569.44-108,319.37

Finding the Fourth Proportional to 198,960.80, 274,569.44 and 108,319.37

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Solution

The fourth proportional to 198,960.80, 274,569.44 and 108,319.37 is: 149,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,960.80 : 274,569.44 = 108,319.37 : x
  2. Step 2: Convert to fraction form
    198,960.80/274,569.44 = 108,319.37/x
  3. Step 3: Cross multiply
    198,960.80x = 274,569.44 × 108,319.37
  4. Step 4: Simplify right side
    198,960.80x = 29,741,186,847.61
  5. Step 5: Solve for x
    x = 29,741,186,847.61/198,960.80
  6. Step 6: Final answer
    x = 149,482.65

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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.