Home / 187,638.75-258,942.29-102,757.23

Finding the Fourth Proportional to 187,638.75, 258,942.29 and 102,757.23

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Solution

The fourth proportional to 187,638.75, 258,942.29 and 102,757.23 is: 141,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.75 : 258,942.29 = 102,757.23 : x
  2. Step 2: Convert to fraction form
    187,638.75/258,942.29 = 102,757.23/x
  3. Step 3: Cross multiply
    187,638.75x = 258,942.29 × 102,757.23
  4. Step 4: Simplify right side
    187,638.75x = 26,608,191,936.47
  5. Step 5: Solve for x
    x = 26,608,191,936.47/187,638.75
  6. Step 6: Final answer
    x = 141,805.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.