Home / 198,485.46-273,908.76-107,840.70

Finding the Fourth Proportional to 198,485.46, 273,908.76 and 107,840.70

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Solution

The fourth proportional to 198,485.46, 273,908.76 and 107,840.70 is: 148,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,485.46 : 273,908.76 = 107,840.70 : x
  2. Step 2: Convert to fraction form
    198,485.46/273,908.76 = 107,840.70/x
  3. Step 3: Cross multiply
    198,485.46x = 273,908.76 × 107,840.70
  4. Step 4: Simplify right side
    198,485.46x = 29,538,512,414.53
  5. Step 5: Solve for x
    x = 29,538,512,414.53/198,485.46
  6. Step 6: Final answer
    x = 148,819.53

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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.