Home / 254,164.11-381,248.91-76,672.66

Finding the Fourth Proportional to 254,164.11, 381,248.91 and 76,672.66

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Solution

The fourth proportional to 254,164.11, 381,248.91 and 76,672.66 is: 115,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,164.11 : 381,248.91 = 76,672.66 : x
  2. Step 2: Convert to fraction form
    254,164.11/381,248.91 = 76,672.66/x
  3. Step 3: Cross multiply
    254,164.11x = 381,248.91 × 76,672.66
  4. Step 4: Simplify right side
    254,164.11x = 29,231,367,668.44
  5. Step 5: Solve for x
    x = 29,231,367,668.44/254,164.11
  6. Step 6: Final answer
    x = 115,009.82

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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.