Home / 89.58-134.10-76.08

Finding the Fourth Proportional to 89.58, 134.10 and 76.08

Calculator

Solution

The fourth proportional to 89.58, 134.10 and 76.08 is: 113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.58 : 134.10 = 76.08 : x
  2. Step 2: Convert to fraction form
    89.58/134.10 = 76.08/x
  3. Step 3: Cross multiply
    89.58x = 134.10 × 76.08
  4. Step 4: Simplify right side
    89.58x = 10,202.33
  5. Step 5: Solve for x
    x = 10,202.33/89.58
  6. Step 6: Final answer
    x = 113.89

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.