Home / 188,146.72-259,625.28-107,571.70

Finding the Fourth Proportional to 188,146.72, 259,625.28 and 107,571.70

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Solution

The fourth proportional to 188,146.72, 259,625.28 and 107,571.70 is: 148,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,146.72 : 259,625.28 = 107,571.70 : x
  2. Step 2: Convert to fraction form
    188,146.72/259,625.28 = 107,571.70/x
  3. Step 3: Cross multiply
    188,146.72x = 259,625.28 × 107,571.70
  4. Step 4: Simplify right side
    188,146.72x = 27,928,332,732.58
  5. Step 5: Solve for x
    x = 27,928,332,732.58/188,146.72
  6. Step 6: Final answer
    x = 148,439.12

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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.