Home / 89.52-134.36-69.45

Finding the Fourth Proportional to 89.52, 134.36 and 69.45

Calculator

Solution

The fourth proportional to 89.52, 134.36 and 69.45 is: 104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.52 : 134.36 = 69.45 : x
  2. Step 2: Convert to fraction form
    89.52/134.36 = 69.45/x
  3. Step 3: Cross multiply
    89.52x = 134.36 × 69.45
  4. Step 4: Simplify right side
    89.52x = 9,331.30
  5. Step 5: Solve for x
    x = 9,331.30/89.52
  6. Step 6: Final answer
    x = 104.24

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.