Home / 122,630.45-169,233.42-68,920.37

Finding the Fourth Proportional to 122,630.45, 169,233.42 and 68,920.37

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Solution

The fourth proportional to 122,630.45, 169,233.42 and 68,920.37 is: 95,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,630.45 : 169,233.42 = 68,920.37 : x
  2. Step 2: Convert to fraction form
    122,630.45/169,233.42 = 68,920.37/x
  3. Step 3: Cross multiply
    122,630.45x = 169,233.42 × 68,920.37
  4. Step 4: Simplify right side
    122,630.45x = 11,663,629,922.77
  5. Step 5: Solve for x
    x = 11,663,629,922.77/122,630.45
  6. Step 6: Final answer
    x = 95,112.02

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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.