Home / 122,451.89-168,982.17-68,735.52

Finding the Fourth Proportional to 122,451.89, 168,982.17 and 68,735.52

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Solution

The fourth proportional to 122,451.89, 168,982.17 and 68,735.52 is: 94,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,451.89 : 168,982.17 = 68,735.52 : x
  2. Step 2: Convert to fraction form
    122,451.89/168,982.17 = 68,735.52/x
  3. Step 3: Cross multiply
    122,451.89x = 168,982.17 × 68,735.52
  4. Step 4: Simplify right side
    122,451.89x = 11,615,077,067.92
  5. Step 5: Solve for x
    x = 11,615,077,067.92/122,451.89
  6. Step 6: Final answer
    x = 94,854.21

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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.