Home / 122,634.67-169,234.27-68,928.70

Finding the Fourth Proportional to 122,634.67, 169,234.27 and 68,928.70

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Solution

The fourth proportional to 122,634.67, 169,234.27 and 68,928.70 is: 95,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,634.67 : 169,234.27 = 68,928.70 : x
  2. Step 2: Convert to fraction form
    122,634.67/169,234.27 = 68,928.70/x
  3. Step 3: Cross multiply
    122,634.67x = 169,234.27 × 68,928.70
  4. Step 4: Simplify right side
    122,634.67x = 11,665,098,226.55
  5. Step 5: Solve for x
    x = 11,665,098,226.55/122,634.67
  6. Step 6: Final answer
    x = 95,120.72

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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.