Home / 215,986.92-323,983.26-75,749.64

Finding the Fourth Proportional to 215,986.92, 323,983.26 and 75,749.64

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Solution

The fourth proportional to 215,986.92, 323,983.26 and 75,749.64 is: 113,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,986.92 : 323,983.26 = 75,749.64 : x
  2. Step 2: Convert to fraction form
    215,986.92/323,983.26 = 75,749.64/x
  3. Step 3: Cross multiply
    215,986.92x = 323,983.26 × 75,749.64
  4. Step 4: Simplify right side
    215,986.92x = 24,541,615,311.03
  5. Step 5: Solve for x
    x = 24,541,615,311.03/215,986.92
  6. Step 6: Final answer
    x = 113,625.47

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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.