Home / 88.23-132.51-84.39

Finding the Fourth Proportional to 88.23, 132.51 and 84.39

Calculator

Solution

The fourth proportional to 88.23, 132.51 and 84.39 is: 126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.23 : 132.51 = 84.39 : x
  2. Step 2: Convert to fraction form
    88.23/132.51 = 84.39/x
  3. Step 3: Cross multiply
    88.23x = 132.51 × 84.39
  4. Step 4: Simplify right side
    88.23x = 11,182.52
  5. Step 5: Solve for x
    x = 11,182.52/88.23
  6. Step 6: Final answer
    x = 126.74

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.