Home / 185.59-278.41-82.87

Finding the Fourth Proportional to 185.59, 278.41 and 82.87

Calculator

Solution

The fourth proportional to 185.59, 278.41 and 82.87 is: 124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.59 : 278.41 = 82.87 : x
  2. Step 2: Convert to fraction form
    185.59/278.41 = 82.87/x
  3. Step 3: Cross multiply
    185.59x = 278.41 × 82.87
  4. Step 4: Simplify right side
    185.59x = 23,071.77
  5. Step 5: Solve for x
    x = 23,071.77/185.59
  6. Step 6: Final answer
    x = 124.32

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.