Home / 122,512.60-169,061.34-68,799.88

Finding the Fourth Proportional to 122,512.60, 169,061.34 and 68,799.88

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Solution

The fourth proportional to 122,512.60, 169,061.34 and 68,799.88 is: 94,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,512.60 : 169,061.34 = 68,799.88 : x
  2. Step 2: Convert to fraction form
    122,512.60/169,061.34 = 68,799.88/x
  3. Step 3: Cross multiply
    122,512.60x = 169,061.34 × 68,799.88
  4. Step 4: Simplify right side
    122,512.60x = 11,631,399,904.64
  5. Step 5: Solve for x
    x = 11,631,399,904.64/122,512.60
  6. Step 6: Final answer
    x = 94,940.44

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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.