Home / 165,225.28-228,012.96-89,775.04

Finding the Fourth Proportional to 165,225.28, 228,012.96 and 89,775.04

Calculator

Solution

The fourth proportional to 165,225.28, 228,012.96 and 89,775.04 is: 123,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,225.28 : 228,012.96 = 89,775.04 : x
  2. Step 2: Convert to fraction form
    165,225.28/228,012.96 = 89,775.04/x
  3. Step 3: Cross multiply
    165,225.28x = 228,012.96 × 89,775.04
  4. Step 4: Simplify right side
    165,225.28x = 20,469,872,604.52
  5. Step 5: Solve for x
    x = 20,469,872,604.52/165,225.28
  6. Step 6: Final answer
    x = 123,890.68

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.