Home / 198,239.38-273,445.90-117,609.82

Finding the Fourth Proportional to 198,239.38, 273,445.90 and 117,609.82

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Solution

The fourth proportional to 198,239.38, 273,445.90 and 117,609.82 is: 162,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,239.38 : 273,445.90 = 117,609.82 : x
  2. Step 2: Convert to fraction form
    198,239.38/273,445.90 = 117,609.82/x
  3. Step 3: Cross multiply
    198,239.38x = 273,445.90 × 117,609.82
  4. Step 4: Simplify right side
    198,239.38x = 32,159,923,078.74
  5. Step 5: Solve for x
    x = 32,159,923,078.74/198,239.38
  6. Step 6: Final answer
    x = 162,227.72

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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.