Home / 180.18-248.55-124.92

Finding the Fourth Proportional to 180.18, 248.55 and 124.92

Calculator

Solution

The fourth proportional to 180.18, 248.55 and 124.92 is: 172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.18 : 248.55 = 124.92 : x
  2. Step 2: Convert to fraction form
    180.18/248.55 = 124.92/x
  3. Step 3: Cross multiply
    180.18x = 248.55 × 124.92
  4. Step 4: Simplify right side
    180.18x = 31,048.87
  5. Step 5: Solve for x
    x = 31,048.87/180.18
  6. Step 6: Final answer
    x = 172.32

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.