Home / 144.36-216.54-123.93

Finding the Fourth Proportional to 144.36, 216.54 and 123.93

Calculator

Solution

The fourth proportional to 144.36, 216.54 and 123.93 is: 185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.36 : 216.54 = 123.93 : x
  2. Step 2: Convert to fraction form
    144.36/216.54 = 123.93/x
  3. Step 3: Cross multiply
    144.36x = 216.54 × 123.93
  4. Step 4: Simplify right side
    144.36x = 26,835.80
  5. Step 5: Solve for x
    x = 26,835.80/144.36
  6. Step 6: Final answer
    x = 185.90

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.