Home / 147,906.20-221,859.30-84,920.60

Finding the Fourth Proportional to 147,906.20, 221,859.30 and 84,920.60

Calculator

Solution

The fourth proportional to 147,906.20, 221,859.30 and 84,920.60 is: 127,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,906.20 : 221,859.30 = 84,920.60 : x
  2. Step 2: Convert to fraction form
    147,906.20/221,859.30 = 84,920.60/x
  3. Step 3: Cross multiply
    147,906.20x = 221,859.30 × 84,920.60
  4. Step 4: Simplify right side
    147,906.20x = 18,840,424,871.58
  5. Step 5: Solve for x
    x = 18,840,424,871.58/147,906.20
  6. Step 6: Final answer
    x = 127,380.90

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.