Home / 187,761.28-259,120.94-107,214.68

Finding the Fourth Proportional to 187,761.28, 259,120.94 and 107,214.68

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Solution

The fourth proportional to 187,761.28, 259,120.94 and 107,214.68 is: 147,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,761.28 : 259,120.94 = 107,214.68 : x
  2. Step 2: Convert to fraction form
    187,761.28/259,120.94 = 107,214.68/x
  3. Step 3: Cross multiply
    187,761.28x = 259,120.94 × 107,214.68
  4. Step 4: Simplify right side
    187,761.28x = 27,781,568,283.63
  5. Step 5: Solve for x
    x = 27,781,568,283.63/187,761.28
  6. Step 6: Final answer
    x = 147,962.18

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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.