Home / 206,638.20-285,087.42-135,059.52

Finding the Fourth Proportional to 206,638.20, 285,087.42 and 135,059.52

Calculator

Solution

The fourth proportional to 206,638.20, 285,087.42 and 135,059.52 is: 186,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,638.20 : 285,087.42 = 135,059.52 : x
  2. Step 2: Convert to fraction form
    206,638.20/285,087.42 = 135,059.52/x
  3. Step 3: Cross multiply
    206,638.20x = 285,087.42 × 135,059.52
  4. Step 4: Simplify right side
    206,638.20x = 38,503,770,103.24
  5. Step 5: Solve for x
    x = 38,503,770,103.24/206,638.20
  6. Step 6: Final answer
    x = 186,334.23

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.