Home / 185.63-278.47-77.44

Finding the Fourth Proportional to 185.63, 278.47 and 77.44

Calculator

Solution

The fourth proportional to 185.63, 278.47 and 77.44 is: 116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.63 : 278.47 = 77.44 : x
  2. Step 2: Convert to fraction form
    185.63/278.47 = 77.44/x
  3. Step 3: Cross multiply
    185.63x = 278.47 × 77.44
  4. Step 4: Simplify right side
    185.63x = 21,564.72
  5. Step 5: Solve for x
    x = 21,564.72/185.63
  6. Step 6: Final answer
    x = 116.17

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.