Home / 215,222.20-322,537.97-136,194.95

Finding the Fourth Proportional to 215,222.20, 322,537.97 and 136,194.95

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Solution

The fourth proportional to 215,222.20, 322,537.97 and 136,194.95 is: 204,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,222.20 : 322,537.97 = 136,194.95 : x
  2. Step 2: Convert to fraction form
    215,222.20/322,537.97 = 136,194.95/x
  3. Step 3: Cross multiply
    215,222.20x = 322,537.97 × 136,194.95
  4. Step 4: Simplify right side
    215,222.20x = 43,928,043,844.08
  5. Step 5: Solve for x
    x = 43,928,043,844.08/215,222.20
  6. Step 6: Final answer
    x = 204,105.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.