Home / 196.99-272.01-134.80

Finding the Fourth Proportional to 196.99, 272.01 and 134.80

Calculator

Solution

The fourth proportional to 196.99, 272.01 and 134.80 is: 186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.99 : 272.01 = 134.80 : x
  2. Step 2: Convert to fraction form
    196.99/272.01 = 134.80/x
  3. Step 3: Cross multiply
    196.99x = 272.01 × 134.80
  4. Step 4: Simplify right side
    196.99x = 36,665.59
  5. Step 5: Solve for x
    x = 36,665.59/196.99
  6. Step 6: Final answer
    x = 186.13

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.