Home / 122.53-183.80-31.23

Finding the Fourth Proportional to 122.53, 183.80 and 31.23

Calculator

Solution

The fourth proportional to 122.53, 183.80 and 31.23 is: 46.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.53 : 183.80 = 31.23 : x
  2. Step 2: Convert to fraction form
    122.53/183.80 = 31.23/x
  3. Step 3: Cross multiply
    122.53x = 183.80 × 31.23
  4. Step 4: Simplify right side
    122.53x = 5,740.02
  5. Step 5: Solve for x
    x = 5,740.02/122.53
  6. Step 6: Final answer
    x = 46.84

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.