Home / 259,544.14-389,313.87-82,051.20

Finding the Fourth Proportional to 259,544.14, 389,313.87 and 82,051.20

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Solution

The fourth proportional to 259,544.14, 389,313.87 and 82,051.20 is: 123,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,544.14 : 389,313.87 = 82,051.20 : x
  2. Step 2: Convert to fraction form
    259,544.14/389,313.87 = 82,051.20/x
  3. Step 3: Cross multiply
    259,544.14x = 389,313.87 × 82,051.20
  4. Step 4: Simplify right side
    259,544.14x = 31,943,669,902.45
  5. Step 5: Solve for x
    x = 31,943,669,902.45/259,544.14
  6. Step 6: Final answer
    x = 123,076.06

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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.