Home / 259,964.46-389,968.56-91,467.03

Finding the Fourth Proportional to 259,964.46, 389,968.56 and 91,467.03

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Solution

The fourth proportional to 259,964.46, 389,968.56 and 91,467.03 is: 137,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,964.46 : 389,968.56 = 91,467.03 : x
  2. Step 2: Convert to fraction form
    259,964.46/389,968.56 = 91,467.03/x
  3. Step 3: Cross multiply
    259,964.46x = 389,968.56 × 91,467.03
  4. Step 4: Simplify right side
    259,964.46x = 35,669,265,976.58
  5. Step 5: Solve for x
    x = 35,669,265,976.58/259,964.46
  6. Step 6: Final answer
    x = 137,208.24

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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.