Home / 121,014.20-166,979.27-67,292.17

Finding the Fourth Proportional to 121,014.20, 166,979.27 and 67,292.17

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Solution

The fourth proportional to 121,014.20, 166,979.27 and 67,292.17 is: 92,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014.20 : 166,979.27 = 67,292.17 : x
  2. Step 2: Convert to fraction form
    121,014.20/166,979.27 = 67,292.17/x
  3. Step 3: Cross multiply
    121,014.20x = 166,979.27 × 67,292.17
  4. Step 4: Simplify right side
    121,014.20x = 11,236,397,174.10
  5. Step 5: Solve for x
    x = 11,236,397,174.10/121,014.20
  6. Step 6: Final answer
    x = 92,851.89

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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.