Home / 170,590.50-256,107.49-131,175.29

Finding the Fourth Proportional to 170,590.50, 256,107.49 and 131,175.29

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Solution

The fourth proportional to 170,590.50, 256,107.49 and 131,175.29 is: 196,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,590.50 : 256,107.49 = 131,175.29 : x
  2. Step 2: Convert to fraction form
    170,590.50/256,107.49 = 131,175.29/x
  3. Step 3: Cross multiply
    170,590.50x = 256,107.49 × 131,175.29
  4. Step 4: Simplify right side
    170,590.50x = 33,594,973,616.05
  5. Step 5: Solve for x
    x = 33,594,973,616.05/170,590.50
  6. Step 6: Final answer
    x = 196,933.44

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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.