Home / 122,604.30-169,194.08-68,889.28

Finding the Fourth Proportional to 122,604.30, 169,194.08 and 68,889.28

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Solution

The fourth proportional to 122,604.30, 169,194.08 and 68,889.28 is: 95,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,604.30 : 169,194.08 = 68,889.28 : x
  2. Step 2: Convert to fraction form
    122,604.30/169,194.08 = 68,889.28/x
  3. Step 3: Cross multiply
    122,604.30x = 169,194.08 × 68,889.28
  4. Step 4: Simplify right side
    122,604.30x = 11,655,658,351.46
  5. Step 5: Solve for x
    x = 11,655,658,351.46/122,604.30
  6. Step 6: Final answer
    x = 95,067.29

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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.