Home / 135,697.20-203,545.80-129,938.10

Finding the Fourth Proportional to 135,697.20, 203,545.80 and 129,938.10

Calculator

Solution

The fourth proportional to 135,697.20, 203,545.80 and 129,938.10 is: 194,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,697.20 : 203,545.80 = 129,938.10 : x
  2. Step 2: Convert to fraction form
    135,697.20/203,545.80 = 129,938.10/x
  3. Step 3: Cross multiply
    135,697.20x = 203,545.80 × 129,938.10
  4. Step 4: Simplify right side
    135,697.20x = 26,448,354,514.98
  5. Step 5: Solve for x
    x = 26,448,354,514.98/135,697.20
  6. Step 6: Final answer
    x = 194,907.15

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.