Home / 104,579.74-156,781.99-72,896.86

Finding the Fourth Proportional to 104,579.74, 156,781.99 and 72,896.86

Calculator

Solution

The fourth proportional to 104,579.74, 156,781.99 and 72,896.86 is: 109,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.74 : 156,781.99 = 72,896.86 : x
  2. Step 2: Convert to fraction form
    104,579.74/156,781.99 = 72,896.86/x
  3. Step 3: Cross multiply
    104,579.74x = 156,781.99 × 72,896.86
  4. Step 4: Simplify right side
    104,579.74x = 11,428,914,775.55
  5. Step 5: Solve for x
    x = 11,428,914,775.55/104,579.74
  6. Step 6: Final answer
    x = 109,284.21

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.