Home / 445,115.15-667,673.55-108,156.08

Finding the Fourth Proportional to 445,115.15, 667,673.55 and 108,156.08

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Solution

The fourth proportional to 445,115.15, 667,673.55 and 108,156.08 is: 162,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,115.15 : 667,673.55 = 108,156.08 : x
  2. Step 2: Convert to fraction form
    445,115.15/667,673.55 = 108,156.08/x
  3. Step 3: Cross multiply
    445,115.15x = 667,673.55 × 108,156.08
  4. Step 4: Simplify right side
    445,115.15x = 72,212,953,887.68
  5. Step 5: Solve for x
    x = 72,212,953,887.68/445,115.15
  6. Step 6: Final answer
    x = 162,234.32

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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.