Home / 98.29-147.36-80.33

Finding the Fourth Proportional to 98.29, 147.36 and 80.33

Calculator

Solution

The fourth proportional to 98.29, 147.36 and 80.33 is: 120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.29 : 147.36 = 80.33 : x
  2. Step 2: Convert to fraction form
    98.29/147.36 = 80.33/x
  3. Step 3: Cross multiply
    98.29x = 147.36 × 80.33
  4. Step 4: Simplify right side
    98.29x = 11,837.43
  5. Step 5: Solve for x
    x = 11,837.43/98.29
  6. Step 6: Final answer
    x = 120.43

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.