Home / 259,147.75-387,843.83-159,371.23

Finding the Fourth Proportional to 259,147.75, 387,843.83 and 159,371.23

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Solution

The fourth proportional to 259,147.75, 387,843.83 and 159,371.23 is: 238,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,147.75 : 387,843.83 = 159,371.23 : x
  2. Step 2: Convert to fraction form
    259,147.75/387,843.83 = 159,371.23/x
  3. Step 3: Cross multiply
    259,147.75x = 387,843.83 × 159,371.23
  4. Step 4: Simplify right side
    259,147.75x = 61,811,147,438.15
  5. Step 5: Solve for x
    x = 61,811,147,438.15/259,147.75
  6. Step 6: Final answer
    x = 238,517.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.