Home / 198,229.88-273,557.12-112,187.28

Finding the Fourth Proportional to 198,229.88, 273,557.12 and 112,187.28

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Solution

The fourth proportional to 198,229.88, 273,557.12 and 112,187.28 is: 154,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,229.88 : 273,557.12 = 112,187.28 : x
  2. Step 2: Convert to fraction form
    198,229.88/273,557.12 = 112,187.28/x
  3. Step 3: Cross multiply
    198,229.88x = 273,557.12 × 112,187.28
  4. Step 4: Simplify right side
    198,229.88x = 30,689,629,217.43
  5. Step 5: Solve for x
    x = 30,689,629,217.43/198,229.88
  6. Step 6: Final answer
    x = 154,818.38

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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.