Home / 259,976.03-389,962.98-82,496.85

Finding the Fourth Proportional to 259,976.03, 389,962.98 and 82,496.85

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Solution

The fourth proportional to 259,976.03, 389,962.98 and 82,496.85 is: 123,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,976.03 : 389,962.98 = 82,496.85 : x
  2. Step 2: Convert to fraction form
    259,976.03/389,962.98 = 82,496.85/x
  3. Step 3: Cross multiply
    259,976.03x = 389,962.98 × 82,496.85
  4. Step 4: Simplify right side
    259,976.03x = 32,170,717,466.61
  5. Step 5: Solve for x
    x = 32,170,717,466.61/259,976.03
  6. Step 6: Final answer
    x = 123,744.94

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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.