Home / 131,121.20-196,682.88-37,629.92

Finding the Fourth Proportional to 131,121.20, 196,682.88 and 37,629.92

Calculator

Solution

The fourth proportional to 131,121.20, 196,682.88 and 37,629.92 is: 56,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,121.20 : 196,682.88 = 37,629.92 : x
  2. Step 2: Convert to fraction form
    131,121.20/196,682.88 = 37,629.92/x
  3. Step 3: Cross multiply
    131,121.20x = 196,682.88 × 37,629.92
  4. Step 4: Simplify right side
    131,121.20x = 7,401,161,039.77
  5. Step 5: Solve for x
    x = 7,401,161,039.77/131,121.20
  6. Step 6: Final answer
    x = 56,445.19

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.