Home / 198,719.94-298,016.66-65,575.38

Finding the Fourth Proportional to 198,719.94, 298,016.66 and 65,575.38

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Solution

The fourth proportional to 198,719.94, 298,016.66 and 65,575.38 is: 98,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,719.94 : 298,016.66 = 65,575.38 : x
  2. Step 2: Convert to fraction form
    198,719.94/298,016.66 = 65,575.38/x
  3. Step 3: Cross multiply
    198,719.94x = 298,016.66 × 65,575.38
  4. Step 4: Simplify right side
    198,719.94x = 19,542,555,725.83
  5. Step 5: Solve for x
    x = 19,542,555,725.83/198,719.94
  6. Step 6: Final answer
    x = 98,342.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.