Home / 259,982.49-389,724.60-110,016.48

Finding the Fourth Proportional to 259,982.49, 389,724.60 and 110,016.48

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Solution

The fourth proportional to 259,982.49, 389,724.60 and 110,016.48 is: 164,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,982.49 : 389,724.60 = 110,016.48 : x
  2. Step 2: Convert to fraction form
    259,982.49/389,724.60 = 110,016.48/x
  3. Step 3: Cross multiply
    259,982.49x = 389,724.60 × 110,016.48
  4. Step 4: Simplify right side
    259,982.49x = 42,876,128,188.53
  5. Step 5: Solve for x
    x = 42,876,128,188.53/259,982.49
  6. Step 6: Final answer
    x = 164,919.29

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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.