Home / 138,843.06-208,331.01-132,993.24

Finding the Fourth Proportional to 138,843.06, 208,331.01 and 132,993.24

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Solution

The fourth proportional to 138,843.06, 208,331.01 and 132,993.24 is: 199,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,843.06 : 208,331.01 = 132,993.24 : x
  2. Step 2: Convert to fraction form
    138,843.06/208,331.01 = 132,993.24/x
  3. Step 3: Cross multiply
    138,843.06x = 208,331.01 × 132,993.24
  4. Step 4: Simplify right side
    138,843.06x = 27,706,616,012.37
  5. Step 5: Solve for x
    x = 27,706,616,012.37/138,843.06
  6. Step 6: Final answer
    x = 199,553.48

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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.