Home / 98,142.88-135,359.76-82,775.20

Finding the Fourth Proportional to 98,142.88, 135,359.76 and 82,775.20

Calculator

Solution

The fourth proportional to 98,142.88, 135,359.76 and 82,775.20 is: 114,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,142.88 : 135,359.76 = 82,775.20 : x
  2. Step 2: Convert to fraction form
    98,142.88/135,359.76 = 82,775.20/x
  3. Step 3: Cross multiply
    98,142.88x = 135,359.76 × 82,775.20
  4. Step 4: Simplify right side
    98,142.88x = 11,204,431,205.95
  5. Step 5: Solve for x
    x = 11,204,431,205.95/98,142.88
  6. Step 6: Final answer
    x = 114,164.48

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.