Home / 188,273.75-259,809.99-102,229.36

Finding the Fourth Proportional to 188,273.75, 259,809.99 and 102,229.36

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Solution

The fourth proportional to 188,273.75, 259,809.99 and 102,229.36 is: 141,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,273.75 : 259,809.99 = 102,229.36 : x
  2. Step 2: Convert to fraction form
    188,273.75/259,809.99 = 102,229.36/x
  3. Step 3: Cross multiply
    188,273.75x = 259,809.99 × 102,229.36
  4. Step 4: Simplify right side
    188,273.75x = 26,560,207,700.26
  5. Step 5: Solve for x
    x = 26,560,207,700.26/188,273.75
  6. Step 6: Final answer
    x = 141,072.29

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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.