Home / 89.25-133.87-48.68

Finding the Fourth Proportional to 89.25, 133.87 and 48.68

Calculator

Solution

The fourth proportional to 89.25, 133.87 and 48.68 is: 73.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.25 : 133.87 = 48.68 : x
  2. Step 2: Convert to fraction form
    89.25/133.87 = 48.68/x
  3. Step 3: Cross multiply
    89.25x = 133.87 × 48.68
  4. Step 4: Simplify right side
    89.25x = 6,516.79
  5. Step 5: Solve for x
    x = 6,516.79/89.25
  6. Step 6: Final answer
    x = 73.02

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.