Home / 254.69-382.14-124.80

Finding the Fourth Proportional to 254.69, 382.14 and 124.80

Calculator

Solution

The fourth proportional to 254.69, 382.14 and 124.80 is: 187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.69 : 382.14 = 124.80 : x
  2. Step 2: Convert to fraction form
    254.69/382.14 = 124.80/x
  3. Step 3: Cross multiply
    254.69x = 382.14 × 124.80
  4. Step 4: Simplify right side
    254.69x = 47,690.45
  5. Step 5: Solve for x
    x = 47,690.45/254.69
  6. Step 6: Final answer
    x = 187.25

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.