Home / 198,167.88-273,476.40-113,292.84

Finding the Fourth Proportional to 198,167.88, 273,476.40 and 113,292.84

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Solution

The fourth proportional to 198,167.88, 273,476.40 and 113,292.84 is: 156,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,167.88 : 273,476.40 = 113,292.84 : x
  2. Step 2: Convert to fraction form
    198,167.88/273,476.40 = 113,292.84/x
  3. Step 3: Cross multiply
    198,167.88x = 273,476.40 × 113,292.84
  4. Step 4: Simplify right side
    198,167.88x = 30,982,918,028.98
  5. Step 5: Solve for x
    x = 30,982,918,028.98/198,167.88
  6. Step 6: Final answer
    x = 156,346.82

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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.