Home / 171,949.32-258,110.82-145,418.85

Finding the Fourth Proportional to 171,949.32, 258,110.82 and 145,418.85

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Solution

The fourth proportional to 171,949.32, 258,110.82 and 145,418.85 is: 218,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,949.32 : 258,110.82 = 145,418.85 : x
  2. Step 2: Convert to fraction form
    171,949.32/258,110.82 = 145,418.85/x
  3. Step 3: Cross multiply
    171,949.32x = 258,110.82 × 145,418.85
  4. Step 4: Simplify right side
    171,949.32x = 37,534,178,616.96
  5. Step 5: Solve for x
    x = 37,534,178,616.96/171,949.32
  6. Step 6: Final answer
    x = 218,286.29

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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.