Home / 187,676.38-258,990.91-102,793.51

Finding the Fourth Proportional to 187,676.38, 258,990.91 and 102,793.51

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Solution

The fourth proportional to 187,676.38, 258,990.91 and 102,793.51 is: 141,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,676.38 : 258,990.91 = 102,793.51 : x
  2. Step 2: Convert to fraction form
    187,676.38/258,990.91 = 102,793.51/x
  3. Step 3: Cross multiply
    187,676.38x = 258,990.91 × 102,793.51
  4. Step 4: Simplify right side
    187,676.38x = 26,622,584,696.99
  5. Step 5: Solve for x
    x = 26,622,584,696.99/187,676.38
  6. Step 6: Final answer
    x = 141,853.68

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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.