Home / 187,044.07-258,120.81-102,161.33

Finding the Fourth Proportional to 187,044.07, 258,120.81 and 102,161.33

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Solution

The fourth proportional to 187,044.07, 258,120.81 and 102,161.33 is: 140,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,044.07 : 258,120.81 = 102,161.33 : x
  2. Step 2: Convert to fraction form
    187,044.07/258,120.81 = 102,161.33/x
  3. Step 3: Cross multiply
    187,044.07x = 258,120.81 × 102,161.33
  4. Step 4: Simplify right side
    187,044.07x = 26,369,965,250.28
  5. Step 5: Solve for x
    x = 26,369,965,250.28/187,044.07
  6. Step 6: Final answer
    x = 140,982.64

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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.