Home / 168,028-231,878.66-92,578.12

Finding the Fourth Proportional to 168,028, 231,878.66 and 92,578.12

Calculator

Solution

The fourth proportional to 168,028, 231,878.66 and 92,578.12 is: 127,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028 : 231,878.66 = 92,578.12 : x
  2. Step 2: Convert to fraction form
    168,028/231,878.66 = 92,578.12/x
  3. Step 3: Cross multiply
    168,028x = 231,878.66 × 92,578.12
  4. Step 4: Simplify right side
    168,028x = 21,466,890,410.92
  5. Step 5: Solve for x
    x = 21,466,890,410.92/168,028
  6. Step 6: Final answer
    x = 127,757.82

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.