Home / 187,736.78-259,078.30-107,163.38

Finding the Fourth Proportional to 187,736.78, 259,078.30 and 107,163.38

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Solution

The fourth proportional to 187,736.78, 259,078.30 and 107,163.38 is: 147,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,736.78 : 259,078.30 = 107,163.38 : x
  2. Step 2: Convert to fraction form
    187,736.78/259,078.30 = 107,163.38/x
  3. Step 3: Cross multiply
    187,736.78x = 259,078.30 × 107,163.38
  4. Step 4: Simplify right side
    187,736.78x = 27,763,706,312.65
  5. Step 5: Solve for x
    x = 27,763,706,312.65/187,736.78
  6. Step 6: Final answer
    x = 147,886.35

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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.