Home / 81,451.37-122,176.96-22,287.56

Finding the Fourth Proportional to 81,451.37, 122,176.96 and 22,287.56

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Solution

The fourth proportional to 81,451.37, 122,176.96 and 22,287.56 is: 33,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,451.37 : 122,176.96 = 22,287.56 : x
  2. Step 2: Convert to fraction form
    81,451.37/122,176.96 = 22,287.56/x
  3. Step 3: Cross multiply
    81,451.37x = 122,176.96 × 22,287.56
  4. Step 4: Simplify right side
    81,451.37x = 2,723,025,660.01
  5. Step 5: Solve for x
    x = 2,723,025,660.01/81,451.37
  6. Step 6: Final answer
    x = 33,431.30

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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.