Home / 198,197.84-273,422.04-126,542

Finding the Fourth Proportional to 198,197.84, 273,422.04 and 126,542

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Solution

The fourth proportional to 198,197.84, 273,422.04 and 126,542 is: 174,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,197.84 : 273,422.04 = 126,542 : x
  2. Step 2: Convert to fraction form
    198,197.84/273,422.04 = 126,542/x
  3. Step 3: Cross multiply
    198,197.84x = 273,422.04 × 126,542
  4. Step 4: Simplify right side
    198,197.84x = 34,599,371,785.68
  5. Step 5: Solve for x
    x = 34,599,371,785.68/198,197.84
  6. Step 6: Final answer
    x = 174,569.87

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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.