Home / 171,272.11-256,837.92-51,286.79

Finding the Fourth Proportional to 171,272.11, 256,837.92 and 51,286.79

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Solution

The fourth proportional to 171,272.11, 256,837.92 and 51,286.79 is: 76,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,272.11 : 256,837.92 = 51,286.79 : x
  2. Step 2: Convert to fraction form
    171,272.11/256,837.92 = 51,286.79/x
  3. Step 3: Cross multiply
    171,272.11x = 256,837.92 × 51,286.79
  4. Step 4: Simplify right side
    171,272.11x = 13,172,392,467.08
  5. Step 5: Solve for x
    x = 13,172,392,467.08/171,272.11
  6. Step 6: Final answer
    x = 76,909.15

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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.