Home / 123.55-185.19-46.47

Finding the Fourth Proportional to 123.55, 185.19 and 46.47

Calculator

Solution

The fourth proportional to 123.55, 185.19 and 46.47 is: 69.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.55 : 185.19 = 46.47 : x
  2. Step 2: Convert to fraction form
    123.55/185.19 = 46.47/x
  3. Step 3: Cross multiply
    123.55x = 185.19 × 46.47
  4. Step 4: Simplify right side
    123.55x = 8,605.78
  5. Step 5: Solve for x
    x = 8,605.78/123.55
  6. Step 6: Final answer
    x = 69.65

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.