Home / 276,724.20-415,086.30-99,249.15

Finding the Fourth Proportional to 276,724.20, 415,086.30 and 99,249.15

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Solution

The fourth proportional to 276,724.20, 415,086.30 and 99,249.15 is: 148,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,724.20 : 415,086.30 = 99,249.15 : x
  2. Step 2: Convert to fraction form
    276,724.20/415,086.30 = 99,249.15/x
  3. Step 3: Cross multiply
    276,724.20x = 415,086.30 × 99,249.15
  4. Step 4: Simplify right side
    276,724.20x = 41,196,962,451.65
  5. Step 5: Solve for x
    x = 41,196,962,451.65/276,724.20
  6. Step 6: Final answer
    x = 148,873.73

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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.