Home / 81,452.16-122,178.24-22,285.44

Finding the Fourth Proportional to 81,452.16, 122,178.24 and 22,285.44

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Solution

The fourth proportional to 81,452.16, 122,178.24 and 22,285.44 is: 33,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,452.16 : 122,178.24 = 22,285.44 : x
  2. Step 2: Convert to fraction form
    81,452.16/122,178.24 = 22,285.44/x
  3. Step 3: Cross multiply
    81,452.16x = 122,178.24 × 22,285.44
  4. Step 4: Simplify right side
    81,452.16x = 2,722,795,836.83
  5. Step 5: Solve for x
    x = 2,722,795,836.83/81,452.16
  6. Step 6: Final answer
    x = 33,428.16

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Similar ratio
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1.5x scale

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.