Home / 122,120.11-168,523.25-67,671.82

Finding the Fourth Proportional to 122,120.11, 168,523.25 and 67,671.82

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Solution

The fourth proportional to 122,120.11, 168,523.25 and 67,671.82 is: 93,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,120.11 : 168,523.25 = 67,671.82 : x
  2. Step 2: Convert to fraction form
    122,120.11/168,523.25 = 67,671.82/x
  3. Step 3: Cross multiply
    122,120.11x = 168,523.25 × 67,671.82
  4. Step 4: Simplify right side
    122,120.11x = 11,404,275,039.82
  5. Step 5: Solve for x
    x = 11,404,275,039.82/122,120.11
  6. Step 6: Final answer
    x = 93,385.73

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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.