Home / 196.86-295.29-142.86

Finding the Fourth Proportional to 196.86, 295.29 and 142.86

Calculator

Solution

The fourth proportional to 196.86, 295.29 and 142.86 is: 214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.86 : 295.29 = 142.86 : x
  2. Step 2: Convert to fraction form
    196.86/295.29 = 142.86/x
  3. Step 3: Cross multiply
    196.86x = 295.29 × 142.86
  4. Step 4: Simplify right side
    196.86x = 42,185.13
  5. Step 5: Solve for x
    x = 42,185.13/196.86
  6. Step 6: Final answer
    x = 214.29

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.