Home / 123.86-185.72-41.56

Finding the Fourth Proportional to 123.86, 185.72 and 41.56

Calculator

Solution

The fourth proportional to 123.86, 185.72 and 41.56 is: 62.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.86 : 185.72 = 41.56 : x
  2. Step 2: Convert to fraction form
    123.86/185.72 = 41.56/x
  3. Step 3: Cross multiply
    123.86x = 185.72 × 41.56
  4. Step 4: Simplify right side
    123.86x = 7,718.70
  5. Step 5: Solve for x
    x = 7,718.70/123.86
  6. Step 6: Final answer
    x = 62.32

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.