Home / 64,170.12-96,247.82-16,789.78

Finding the Fourth Proportional to 64,170.12, 96,247.82 and 16,789.78

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Solution

The fourth proportional to 64,170.12, 96,247.82 and 16,789.78 is: 25,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,170.12 : 96,247.82 = 16,789.78 : x
  2. Step 2: Convert to fraction form
    64,170.12/96,247.82 = 16,789.78/x
  3. Step 3: Cross multiply
    64,170.12x = 96,247.82 × 16,789.78
  4. Step 4: Simplify right side
    64,170.12x = 1,615,979,723.28
  5. Step 5: Solve for x
    x = 1,615,979,723.28/64,170.12
  6. Step 6: Final answer
    x = 25,182.74

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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.