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Finding the Fourth Proportional to 122,008, 168,371 and 68,293

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Solution

The fourth proportional to 122,008, 168,371 and 68,293 is: 94,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,008 : 168,371 = 68,293 : x
  2. Step 2: Convert to fraction form
    122,008/168,371 = 68,293/x
  3. Step 3: Cross multiply
    122,008x = 168,371 × 68,293
  4. Step 4: Simplify right side
    122,008x = 11,498,560,703
  5. Step 5: Solve for x
    x = 11,498,560,703/122,008
  6. Step 6: Final answer
    x = 94,244.32

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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.