Home / 198,824.15-274,378.51-108,180.75

Finding the Fourth Proportional to 198,824.15, 274,378.51 and 108,180.75

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Solution

The fourth proportional to 198,824.15, 274,378.51 and 108,180.75 is: 149,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,824.15 : 274,378.51 = 108,180.75 : x
  2. Step 2: Convert to fraction form
    198,824.15/274,378.51 = 108,180.75/x
  3. Step 3: Cross multiply
    198,824.15x = 274,378.51 × 108,180.75
  4. Step 4: Simplify right side
    198,824.15x = 29,682,474,159.83
  5. Step 5: Solve for x
    x = 29,682,474,159.83/198,824.15
  6. Step 6: Final answer
    x = 149,290.08

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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.