Home / 259,676.06-389,475.03-82,159.97

Finding the Fourth Proportional to 259,676.06, 389,475.03 and 82,159.97

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Solution

The fourth proportional to 259,676.06, 389,475.03 and 82,159.97 is: 123,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,676.06 : 389,475.03 = 82,159.97 : x
  2. Step 2: Convert to fraction form
    259,676.06/389,475.03 = 82,159.97/x
  3. Step 3: Cross multiply
    259,676.06x = 389,475.03 × 82,159.97
  4. Step 4: Simplify right side
    259,676.06x = 31,999,254,833.17
  5. Step 5: Solve for x
    x = 31,999,254,833.17/259,676.06
  6. Step 6: Final answer
    x = 123,227.59

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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.