Home / 111.73-154.19-62.60

Finding the Fourth Proportional to 111.73, 154.19 and 62.60

Calculator

Solution

The fourth proportional to 111.73, 154.19 and 62.60 is: 86.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.73 : 154.19 = 62.60 : x
  2. Step 2: Convert to fraction form
    111.73/154.19 = 62.60/x
  3. Step 3: Cross multiply
    111.73x = 154.19 × 62.60
  4. Step 4: Simplify right side
    111.73x = 9,651.98
  5. Step 5: Solve for x
    x = 9,651.98/111.73
  6. Step 6: Final answer
    x = 86.39

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.