Home / 170,590.75-256,107.86-131,175.54

Finding the Fourth Proportional to 170,590.75, 256,107.86 and 131,175.54

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Solution

The fourth proportional to 170,590.75, 256,107.86 and 131,175.54 is: 196,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,590.75 : 256,107.86 = 131,175.54 : x
  2. Step 2: Convert to fraction form
    170,590.75/256,107.86 = 131,175.54/x
  3. Step 3: Cross multiply
    170,590.75x = 256,107.86 × 131,175.54
  4. Step 4: Simplify right side
    170,590.75x = 33,595,086,669.78
  5. Step 5: Solve for x
    x = 33,595,086,669.78/170,590.75
  6. Step 6: Final answer
    x = 196,933.81

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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.