Home / 188,163.60-259,661.43-102,122.73

Finding the Fourth Proportional to 188,163.60, 259,661.43 and 102,122.73

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Solution

The fourth proportional to 188,163.60, 259,661.43 and 102,122.73 is: 140,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,163.60 : 259,661.43 = 102,122.73 : x
  2. Step 2: Convert to fraction form
    188,163.60/259,661.43 = 102,122.73/x
  3. Step 3: Cross multiply
    188,163.60x = 259,661.43 × 102,122.73
  4. Step 4: Simplify right side
    188,163.60x = 26,517,334,107.30
  5. Step 5: Solve for x
    x = 26,517,334,107.30/188,163.60
  6. Step 6: Final answer
    x = 140,927.01

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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.