Home / 82,154.06-123,231.11-19,824.56

Finding the Fourth Proportional to 82,154.06, 123,231.11 and 19,824.56

Calculator

Solution

The fourth proportional to 82,154.06, 123,231.11 and 19,824.56 is: 29,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,154.06 : 123,231.11 = 19,824.56 : x
  2. Step 2: Convert to fraction form
    82,154.06/123,231.11 = 19,824.56/x
  3. Step 3: Cross multiply
    82,154.06x = 123,231.11 × 19,824.56
  4. Step 4: Simplify right side
    82,154.06x = 2,443,002,743.02
  5. Step 5: Solve for x
    x = 2,443,002,743.02/82,154.06
  6. Step 6: Final answer
    x = 29,736.85

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.