Home / 132.18-182.37-76.90

Finding the Fourth Proportional to 132.18, 182.37 and 76.90

Calculator

Solution

The fourth proportional to 132.18, 182.37 and 76.90 is: 106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.18 : 182.37 = 76.90 : x
  2. Step 2: Convert to fraction form
    132.18/182.37 = 76.90/x
  3. Step 3: Cross multiply
    132.18x = 182.37 × 76.90
  4. Step 4: Simplify right side
    132.18x = 14,023.99
  5. Step 5: Solve for x
    x = 14,023.99/132.18
  6. Step 6: Final answer
    x = 106.10

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.