Home / 169.38-233.78-130.50

Finding the Fourth Proportional to 169.38, 233.78 and 130.50

Calculator

Solution

The fourth proportional to 169.38, 233.78 and 130.50 is: 180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.38 : 233.78 = 130.50 : x
  2. Step 2: Convert to fraction form
    169.38/233.78 = 130.50/x
  3. Step 3: Cross multiply
    169.38x = 233.78 × 130.50
  4. Step 4: Simplify right side
    169.38x = 30,507.64
  5. Step 5: Solve for x
    x = 30,507.64/169.38
  6. Step 6: Final answer
    x = 180.11

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.