Home / 122,712.54-169,350.39-68,997.66

Finding the Fourth Proportional to 122,712.54, 169,350.39 and 68,997.66

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Solution

The fourth proportional to 122,712.54, 169,350.39 and 68,997.66 is: 95,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,712.54 : 169,350.39 = 68,997.66 : x
  2. Step 2: Convert to fraction form
    122,712.54/169,350.39 = 68,997.66/x
  3. Step 3: Cross multiply
    122,712.54x = 169,350.39 × 68,997.66
  4. Step 4: Simplify right side
    122,712.54x = 11,684,780,630.09
  5. Step 5: Solve for x
    x = 11,684,780,630.09/122,712.54
  6. Step 6: Final answer
    x = 95,220.75

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1.5x scale

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.