Home / 225,736.01-311,515.61-123,759.29

Finding the Fourth Proportional to 225,736.01, 311,515.61 and 123,759.29

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Solution

The fourth proportional to 225,736.01, 311,515.61 and 123,759.29 is: 170,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,736.01 : 311,515.61 = 123,759.29 : x
  2. Step 2: Convert to fraction form
    225,736.01/311,515.61 = 123,759.29/x
  3. Step 3: Cross multiply
    225,736.01x = 311,515.61 × 123,759.29
  4. Step 4: Simplify right side
    225,736.01x = 38,552,951,805.70
  5. Step 5: Solve for x
    x = 38,552,951,805.70/225,736.01
  6. Step 6: Final answer
    x = 170,787.78

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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.