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Finding the Fourth Proportional to 121,047.66, 167,044.37 and 67,337.37

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Solution

The fourth proportional to 121,047.66, 167,044.37 and 67,337.37 is: 92,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,047.66 : 167,044.37 = 67,337.37 : x
  2. Step 2: Convert to fraction form
    121,047.66/167,044.37 = 67,337.37/x
  3. Step 3: Cross multiply
    121,047.66x = 167,044.37 × 67,337.37
  4. Step 4: Simplify right side
    121,047.66x = 11,248,328,212.42
  5. Step 5: Solve for x
    x = 11,248,328,212.42/121,047.66
  6. Step 6: Final answer
    x = 92,924.79

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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.