Home / 170,249.78-255,356.75-75,481.61

Finding the Fourth Proportional to 170,249.78, 255,356.75 and 75,481.61

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Solution

The fourth proportional to 170,249.78, 255,356.75 and 75,481.61 is: 113,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,249.78 : 255,356.75 = 75,481.61 : x
  2. Step 2: Convert to fraction form
    170,249.78/255,356.75 = 75,481.61/x
  3. Step 3: Cross multiply
    170,249.78x = 255,356.75 × 75,481.61
  4. Step 4: Simplify right side
    170,249.78x = 19,274,737,526.29
  5. Step 5: Solve for x
    x = 19,274,737,526.29/170,249.78
  6. Step 6: Final answer
    x = 113,214.46

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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.