Home / 215,546.96-323,321.08-75,305.60

Finding the Fourth Proportional to 215,546.96, 323,321.08 and 75,305.60

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Solution

The fourth proportional to 215,546.96, 323,321.08 and 75,305.60 is: 112,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,546.96 : 323,321.08 = 75,305.60 : x
  2. Step 2: Convert to fraction form
    215,546.96/323,321.08 = 75,305.60/x
  3. Step 3: Cross multiply
    215,546.96x = 323,321.08 × 75,305.60
  4. Step 4: Simplify right side
    215,546.96x = 24,347,887,922.05
  5. Step 5: Solve for x
    x = 24,347,887,922.05/215,546.96
  6. Step 6: Final answer
    x = 112,958.62

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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.