Home / 78,167.54-117,249.68-19,003.52

Finding the Fourth Proportional to 78,167.54, 117,249.68 and 19,003.52

Calculator

Solution

The fourth proportional to 78,167.54, 117,249.68 and 19,003.52 is: 28,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,167.54 : 117,249.68 = 19,003.52 : x
  2. Step 2: Convert to fraction form
    78,167.54/117,249.68 = 19,003.52/x
  3. Step 3: Cross multiply
    78,167.54x = 117,249.68 × 19,003.52
  4. Step 4: Simplify right side
    78,167.54x = 2,228,156,638.87
  5. Step 5: Solve for x
    x = 2,228,156,638.87/78,167.54
  6. Step 6: Final answer
    x = 28,504.88

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.