Home / 259,556.43-389,386.53-109,796.07

Finding the Fourth Proportional to 259,556.43, 389,386.53 and 109,796.07

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Solution

The fourth proportional to 259,556.43, 389,386.53 and 109,796.07 is: 164,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,556.43 : 389,386.53 = 109,796.07 : x
  2. Step 2: Convert to fraction form
    259,556.43/389,386.53 = 109,796.07/x
  3. Step 3: Cross multiply
    259,556.43x = 389,386.53 × 109,796.07
  4. Step 4: Simplify right side
    259,556.43x = 42,753,110,704.94
  5. Step 5: Solve for x
    x = 42,753,110,704.94/259,556.43
  6. Step 6: Final answer
    x = 164,716.05

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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.