Home / 198,099.80-273,376.12-107,455.54

Finding the Fourth Proportional to 198,099.80, 273,376.12 and 107,455.54

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Solution

The fourth proportional to 198,099.80, 273,376.12 and 107,455.54 is: 148,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,099.80 : 273,376.12 = 107,455.54 : x
  2. Step 2: Convert to fraction form
    198,099.80/273,376.12 = 107,455.54/x
  3. Step 3: Cross multiply
    198,099.80x = 273,376.12 × 107,455.54
  4. Step 4: Simplify right side
    198,099.80x = 29,375,778,597.70
  5. Step 5: Solve for x
    x = 29,375,778,597.70/198,099.80
  6. Step 6: Final answer
    x = 148,287.78

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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.