Home / 271,790.32-407,638.09-72,130.89

Finding the Fourth Proportional to 271,790.32, 407,638.09 and 72,130.89

Calculator

Solution

The fourth proportional to 271,790.32, 407,638.09 and 72,130.89 is: 108,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,790.32 : 407,638.09 = 72,130.89 : x
  2. Step 2: Convert to fraction form
    271,790.32/407,638.09 = 72,130.89/x
  3. Step 3: Cross multiply
    271,790.32x = 407,638.09 × 72,130.89
  4. Step 4: Simplify right side
    271,790.32x = 29,403,298,229.60
  5. Step 5: Solve for x
    x = 29,403,298,229.60/271,790.32
  6. Step 6: Final answer
    x = 108,183.76

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.