Home / 198,276.67-273,626.78-107,632.66

Finding the Fourth Proportional to 198,276.67, 273,626.78 and 107,632.66

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Solution

The fourth proportional to 198,276.67, 273,626.78 and 107,632.66 is: 148,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,276.67 : 273,626.78 = 107,632.66 : x
  2. Step 2: Convert to fraction form
    198,276.67/273,626.78 = 107,632.66/x
  3. Step 3: Cross multiply
    198,276.67x = 273,626.78 × 107,632.66
  4. Step 4: Simplify right side
    198,276.67x = 29,451,178,178.63
  5. Step 5: Solve for x
    x = 29,451,178,178.63/198,276.67
  6. Step 6: Final answer
    x = 148,535.78

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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.