Home / 98,629.20-148,102.20-91,352.40

Finding the Fourth Proportional to 98,629.20, 148,102.20 and 91,352.40

Calculator

Solution

The fourth proportional to 98,629.20, 148,102.20 and 91,352.40 is: 137,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.20 : 148,102.20 = 91,352.40 : x
  2. Step 2: Convert to fraction form
    98,629.20/148,102.20 = 91,352.40/x
  3. Step 3: Cross multiply
    98,629.20x = 148,102.20 × 91,352.40
  4. Step 4: Simplify right side
    98,629.20x = 13,529,491,415.28
  5. Step 5: Solve for x
    x = 13,529,491,415.28/98,629.20
  6. Step 6: Final answer
    x = 137,175.31

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.