Home / 276,757.83-415,195.07-89,754.75

Finding the Fourth Proportional to 276,757.83, 415,195.07 and 89,754.75

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Solution

The fourth proportional to 276,757.83, 415,195.07 and 89,754.75 is: 134,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,757.83 : 415,195.07 = 89,754.75 : x
  2. Step 2: Convert to fraction form
    276,757.83/415,195.07 = 89,754.75/x
  3. Step 3: Cross multiply
    276,757.83x = 415,195.07 × 89,754.75
  4. Step 4: Simplify right side
    276,757.83x = 37,265,729,260.31
  5. Step 5: Solve for x
    x = 37,265,729,260.31/276,757.83
  6. Step 6: Final answer
    x = 134,651.04

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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.