Home / 82.53-123.69-73.47

Finding the Fourth Proportional to 82.53, 123.69 and 73.47

Calculator

Solution

The fourth proportional to 82.53, 123.69 and 73.47 is: 110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.53 : 123.69 = 73.47 : x
  2. Step 2: Convert to fraction form
    82.53/123.69 = 73.47/x
  3. Step 3: Cross multiply
    82.53x = 123.69 × 73.47
  4. Step 4: Simplify right side
    82.53x = 9,087.50
  5. Step 5: Solve for x
    x = 9,087.50/82.53
  6. Step 6: Final answer
    x = 110.11

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.