Home / 122,636.82-169,229.04-68,911.74

Finding the Fourth Proportional to 122,636.82, 169,229.04 and 68,911.74

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Solution

The fourth proportional to 122,636.82, 169,229.04 and 68,911.74 is: 95,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,636.82 : 169,229.04 = 68,911.74 : x
  2. Step 2: Convert to fraction form
    122,636.82/169,229.04 = 68,911.74/x
  3. Step 3: Cross multiply
    122,636.82x = 169,229.04 × 68,911.74
  4. Step 4: Simplify right side
    122,636.82x = 11,661,867,604.93
  5. Step 5: Solve for x
    x = 11,661,867,604.93/122,636.82
  6. Step 6: Final answer
    x = 95,092.71

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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.