Home / 198,960.82-274,563.20-108,317.56

Finding the Fourth Proportional to 198,960.82, 274,563.20 and 108,317.56

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Solution

The fourth proportional to 198,960.82, 274,563.20 and 108,317.56 is: 149,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,960.82 : 274,563.20 = 108,317.56 : x
  2. Step 2: Convert to fraction form
    198,960.82/274,563.20 = 108,317.56/x
  3. Step 3: Cross multiply
    198,960.82x = 274,563.20 × 108,317.56
  4. Step 4: Simplify right side
    198,960.82x = 29,740,015,889.79
  5. Step 5: Solve for x
    x = 29,740,015,889.79/198,960.82
  6. Step 6: Final answer
    x = 149,476.75

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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.