Home / 198,452.34-273,864.75-107,807.57

Finding the Fourth Proportional to 198,452.34, 273,864.75 and 107,807.57

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Solution

The fourth proportional to 198,452.34, 273,864.75 and 107,807.57 is: 148,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,452.34 : 273,864.75 = 107,807.57 : x
  2. Step 2: Convert to fraction form
    198,452.34/273,864.75 = 107,807.57/x
  3. Step 3: Cross multiply
    198,452.34x = 273,864.75 × 107,807.57
  4. Step 4: Simplify right side
    198,452.34x = 29,524,691,836.83
  5. Step 5: Solve for x
    x = 29,524,691,836.83/198,452.34
  6. Step 6: Final answer
    x = 148,774.72

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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.