Home / 198,187.76-297,364.96-123,370.48

Finding the Fourth Proportional to 198,187.76, 297,364.96 and 123,370.48

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Solution

The fourth proportional to 198,187.76, 297,364.96 and 123,370.48 is: 185,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,187.76 : 297,364.96 = 123,370.48 : x
  2. Step 2: Convert to fraction form
    198,187.76/297,364.96 = 123,370.48/x
  3. Step 3: Cross multiply
    198,187.76x = 297,364.96 × 123,370.48
  4. Step 4: Simplify right side
    198,187.76x = 36,686,057,850.38
  5. Step 5: Solve for x
    x = 36,686,057,850.38/198,187.76
  6. Step 6: Final answer
    x = 185,107.59

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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.