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Finding the Fourth Proportional to 121,204, 167,258.14 and 67,488.99

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Solution

The fourth proportional to 121,204, 167,258.14 and 67,488.99 is: 93,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,204 : 167,258.14 = 67,488.99 : x
  2. Step 2: Convert to fraction form
    121,204/167,258.14 = 67,488.99/x
  3. Step 3: Cross multiply
    121,204x = 167,258.14 × 67,488.99
  4. Step 4: Simplify right side
    121,204x = 11,288,082,937.88
  5. Step 5: Solve for x
    x = 11,288,082,937.88/121,204
  6. Step 6: Final answer
    x = 93,132.92

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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.