Home / 445,330.83-667,997.60-108,371.54

Finding the Fourth Proportional to 445,330.83, 667,997.60 and 108,371.54

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Solution

The fourth proportional to 445,330.83, 667,997.60 and 108,371.54 is: 162,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,330.83 : 667,997.60 = 108,371.54 : x
  2. Step 2: Convert to fraction form
    445,330.83/667,997.60 = 108,371.54/x
  3. Step 3: Cross multiply
    445,330.83x = 667,997.60 × 108,371.54
  4. Step 4: Simplify right side
    445,330.83x = 72,391,928,628.30
  5. Step 5: Solve for x
    x = 72,391,928,628.30/445,330.83
  6. Step 6: Final answer
    x = 162,557.64

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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.