Home / 198,065.38-273,305.67-126,487.30

Finding the Fourth Proportional to 198,065.38, 273,305.67 and 126,487.30

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Solution

The fourth proportional to 198,065.38, 273,305.67 and 126,487.30 is: 174,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,065.38 : 273,305.67 = 126,487.30 : x
  2. Step 2: Convert to fraction form
    198,065.38/273,305.67 = 126,487.30/x
  3. Step 3: Cross multiply
    198,065.38x = 273,305.67 × 126,487.30
  4. Step 4: Simplify right side
    198,065.38x = 34,569,696,272.99
  5. Step 5: Solve for x
    x = 34,569,696,272.99/198,065.38
  6. Step 6: Final answer
    x = 174,536.79

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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.