Home / 204,664.29-307,029.24-86,353.06

Finding the Fourth Proportional to 204,664.29, 307,029.24 and 86,353.06

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Solution

The fourth proportional to 204,664.29, 307,029.24 and 86,353.06 is: 129,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,664.29 : 307,029.24 = 86,353.06 : x
  2. Step 2: Convert to fraction form
    204,664.29/307,029.24 = 86,353.06/x
  3. Step 3: Cross multiply
    204,664.29x = 307,029.24 × 86,353.06
  4. Step 4: Simplify right side
    204,664.29x = 26,512,914,383.47
  5. Step 5: Solve for x
    x = 26,512,914,383.47/204,664.29
  6. Step 6: Final answer
    x = 129,543.43

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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.