Home / 268.08-401.84-123.92

Finding the Fourth Proportional to 268.08, 401.84 and 123.92

Calculator

Solution

The fourth proportional to 268.08, 401.84 and 123.92 is: 185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.08 : 401.84 = 123.92 : x
  2. Step 2: Convert to fraction form
    268.08/401.84 = 123.92/x
  3. Step 3: Cross multiply
    268.08x = 401.84 × 123.92
  4. Step 4: Simplify right side
    268.08x = 49,796.01
  5. Step 5: Solve for x
    x = 49,796.01/268.08
  6. Step 6: Final answer
    x = 185.75

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.