Home / 195.65-270.02-130.11

Finding the Fourth Proportional to 195.65, 270.02 and 130.11

Calculator

Solution

The fourth proportional to 195.65, 270.02 and 130.11 is: 179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.65 : 270.02 = 130.11 : x
  2. Step 2: Convert to fraction form
    195.65/270.02 = 130.11/x
  3. Step 3: Cross multiply
    195.65x = 270.02 × 130.11
  4. Step 4: Simplify right side
    195.65x = 35,131.65
  5. Step 5: Solve for x
    x = 35,131.65/195.65
  6. Step 6: Final answer
    x = 179.56

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.