Home / 198,196.44-297,377.98-123,379.18

Finding the Fourth Proportional to 198,196.44, 297,377.98 and 123,379.18

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Solution

The fourth proportional to 198,196.44, 297,377.98 and 123,379.18 is: 185,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,196.44 : 297,377.98 = 123,379.18 : x
  2. Step 2: Convert to fraction form
    198,196.44/297,377.98 = 123,379.18/x
  3. Step 3: Cross multiply
    198,196.44x = 297,377.98 × 123,379.18
  4. Step 4: Simplify right side
    198,196.44x = 36,690,251,322.46
  5. Step 5: Solve for x
    x = 36,690,251,322.46/198,196.44
  6. Step 6: Final answer
    x = 185,120.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.