Home / 188,278.00-259,758.68-120,334.74

Finding the Fourth Proportional to 188,278.00, 259,758.68 and 120,334.74

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Solution

The fourth proportional to 188,278.00, 259,758.68 and 120,334.74 is: 166,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,278.00 : 259,758.68 = 120,334.74 : x
  2. Step 2: Convert to fraction form
    188,278.00/259,758.68 = 120,334.74/x
  3. Step 3: Cross multiply
    188,278.00x = 259,758.68 × 120,334.74
  4. Step 4: Simplify right side
    188,278.00x = 31,257,993,220.54
  5. Step 5: Solve for x
    x = 31,257,993,220.54/188,278.00
  6. Step 6: Final answer
    x = 166,020.43

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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.