Home / 134.76-202.50-126.84

Finding the Fourth Proportional to 134.76, 202.50 and 126.84

Calculator

Solution

The fourth proportional to 134.76, 202.50 and 126.84 is: 190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.76 : 202.50 = 126.84 : x
  2. Step 2: Convert to fraction form
    134.76/202.50 = 126.84/x
  3. Step 3: Cross multiply
    134.76x = 202.50 × 126.84
  4. Step 4: Simplify right side
    134.76x = 25,685.10
  5. Step 5: Solve for x
    x = 25,685.10/134.76
  6. Step 6: Final answer
    x = 190.60

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.