Home / 198,345.11-273,719.39-107,701.02

Finding the Fourth Proportional to 198,345.11, 273,719.39 and 107,701.02

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Solution

The fourth proportional to 198,345.11, 273,719.39 and 107,701.02 is: 148,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,345.11 : 273,719.39 = 107,701.02 : x
  2. Step 2: Convert to fraction form
    198,345.11/273,719.39 = 107,701.02/x
  3. Step 3: Cross multiply
    198,345.11x = 273,719.39 × 107,701.02
  4. Step 4: Simplify right side
    198,345.11x = 29,479,856,958.27
  5. Step 5: Solve for x
    x = 29,479,856,958.27/198,345.11
  6. Step 6: Final answer
    x = 148,629.11

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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.