Home / 121,375.28-167,497.92-67,659.14

Finding the Fourth Proportional to 121,375.28, 167,497.92 and 67,659.14

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Solution

The fourth proportional to 121,375.28, 167,497.92 and 67,659.14 is: 93,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,375.28 : 167,497.92 = 67,659.14 : x
  2. Step 2: Convert to fraction form
    121,375.28/167,497.92 = 67,659.14/x
  3. Step 3: Cross multiply
    121,375.28x = 167,497.92 × 67,659.14
  4. Step 4: Simplify right side
    121,375.28x = 11,332,765,637.73
  5. Step 5: Solve for x
    x = 11,332,765,637.73/121,375.28
  6. Step 6: Final answer
    x = 93,369.63

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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.