Home / 133,067.20-199,600.80-54,140.80

Finding the Fourth Proportional to 133,067.20, 199,600.80 and 54,140.80

Calculator

Solution

The fourth proportional to 133,067.20, 199,600.80 and 54,140.80 is: 81,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,067.20 : 199,600.80 = 54,140.80 : x
  2. Step 2: Convert to fraction form
    133,067.20/199,600.80 = 54,140.80/x
  3. Step 3: Cross multiply
    133,067.20x = 199,600.80 × 54,140.80
  4. Step 4: Simplify right side
    133,067.20x = 10,806,546,992.64
  5. Step 5: Solve for x
    x = 10,806,546,992.64/133,067.20
  6. Step 6: Final answer
    x = 81,211.20

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.