Home / 98,713.20-148,069.80-67,220.40

Finding the Fourth Proportional to 98,713.20, 148,069.80 and 67,220.40

Calculator

Solution

The fourth proportional to 98,713.20, 148,069.80 and 67,220.40 is: 100,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,713.20 : 148,069.80 = 67,220.40 : x
  2. Step 2: Convert to fraction form
    98,713.20/148,069.80 = 67,220.40/x
  3. Step 3: Cross multiply
    98,713.20x = 148,069.80 × 67,220.40
  4. Step 4: Simplify right side
    98,713.20x = 9,953,311,183.92
  5. Step 5: Solve for x
    x = 9,953,311,183.92/98,713.20
  6. Step 6: Final answer
    x = 100,830.60

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.