Home / 187,711.57-259,046.13-107,137.43

Finding the Fourth Proportional to 187,711.57, 259,046.13 and 107,137.43

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Solution

The fourth proportional to 187,711.57, 259,046.13 and 107,137.43 is: 147,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,711.57 : 259,046.13 = 107,137.43 : x
  2. Step 2: Convert to fraction form
    187,711.57/259,046.13 = 107,137.43/x
  3. Step 3: Cross multiply
    187,711.57x = 259,046.13 × 107,137.43
  4. Step 4: Simplify right side
    187,711.57x = 27,753,536,619.65
  5. Step 5: Solve for x
    x = 27,753,536,619.65/187,711.57
  6. Step 6: Final answer
    x = 147,852.03

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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.