Home / 254,067.89-381,116.41-76,556.39

Finding the Fourth Proportional to 254,067.89, 381,116.41 and 76,556.39

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Solution

The fourth proportional to 254,067.89, 381,116.41 and 76,556.39 is: 114,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,067.89 : 381,116.41 = 76,556.39 : x
  2. Step 2: Convert to fraction form
    254,067.89/381,116.41 = 76,556.39/x
  3. Step 3: Cross multiply
    254,067.89x = 381,116.41 × 76,556.39
  4. Step 4: Simplify right side
    254,067.89x = 29,176,894,422.39
  5. Step 5: Solve for x
    x = 29,176,894,422.39/254,067.89
  6. Step 6: Final answer
    x = 114,838.97

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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.