Home / 149.07-223.36-139.05

Finding the Fourth Proportional to 149.07, 223.36 and 139.05

Calculator

Solution

The fourth proportional to 149.07, 223.36 and 139.05 is: 208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.07 : 223.36 = 139.05 : x
  2. Step 2: Convert to fraction form
    149.07/223.36 = 139.05/x
  3. Step 3: Cross multiply
    149.07x = 223.36 × 139.05
  4. Step 4: Simplify right side
    149.07x = 31,057.86
  5. Step 5: Solve for x
    x = 31,057.86/149.07
  6. Step 6: Final answer
    x = 208.34

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.