Home / 188,337.25-259,907.31-102,297.92

Finding the Fourth Proportional to 188,337.25, 259,907.31 and 102,297.92

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Solution

The fourth proportional to 188,337.25, 259,907.31 and 102,297.92 is: 141,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,337.25 : 259,907.31 = 102,297.92 : x
  2. Step 2: Convert to fraction form
    188,337.25/259,907.31 = 102,297.92/x
  3. Step 3: Cross multiply
    188,337.25x = 259,907.31 × 102,297.92
  4. Step 4: Simplify right side
    188,337.25x = 26,587,976,289.88
  5. Step 5: Solve for x
    x = 26,587,976,289.88/188,337.25
  6. Step 6: Final answer
    x = 141,172.16

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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.