Home / 258,992.33-388,487.94-81,514.85

Finding the Fourth Proportional to 258,992.33, 388,487.94 and 81,514.85

Calculator

Solution

The fourth proportional to 258,992.33, 388,487.94 and 81,514.85 is: 122,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,992.33 : 388,487.94 = 81,514.85 : x
  2. Step 2: Convert to fraction form
    258,992.33/388,487.94 = 81,514.85/x
  3. Step 3: Cross multiply
    258,992.33x = 388,487.94 × 81,514.85
  4. Step 4: Simplify right side
    258,992.33x = 31,667,536,155.91
  5. Step 5: Solve for x
    x = 31,667,536,155.91/258,992.33
  6. Step 6: Final answer
    x = 122,272.10

Related Problems

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.