Home / 129.24-193.35-88.56

Finding the Fourth Proportional to 129.24, 193.35 and 88.56

Calculator

Solution

The fourth proportional to 129.24, 193.35 and 88.56 is: 132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129.24 : 193.35 = 88.56 : x
  2. Step 2: Convert to fraction form
    129.24/193.35 = 88.56/x
  3. Step 3: Cross multiply
    129.24x = 193.35 × 88.56
  4. Step 4: Simplify right side
    129.24x = 17,123.08
  5. Step 5: Solve for x
    x = 17,123.08/129.24
  6. Step 6: Final answer
    x = 132.49

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.