Home / 215,845.06-323,913.03-75,604.90

Finding the Fourth Proportional to 215,845.06, 323,913.03 and 75,604.90

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Solution

The fourth proportional to 215,845.06, 323,913.03 and 75,604.90 is: 113,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845.06 : 323,913.03 = 75,604.90 : x
  2. Step 2: Convert to fraction form
    215,845.06/323,913.03 = 75,604.90/x
  3. Step 3: Cross multiply
    215,845.06x = 323,913.03 × 75,604.90
  4. Step 4: Simplify right side
    215,845.06x = 24,489,412,241.85
  5. Step 5: Solve for x
    x = 24,489,412,241.85/215,845.06
  6. Step 6: Final answer
    x = 113,458.29

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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.