Home / 142,023.10-213,034.65-71,893.30

Finding the Fourth Proportional to 142,023.10, 213,034.65 and 71,893.30

Calculator

Solution

The fourth proportional to 142,023.10, 213,034.65 and 71,893.30 is: 107,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,023.10 : 213,034.65 = 71,893.30 : x
  2. Step 2: Convert to fraction form
    142,023.10/213,034.65 = 71,893.30/x
  3. Step 3: Cross multiply
    142,023.10x = 213,034.65 × 71,893.30
  4. Step 4: Simplify right side
    142,023.10x = 15,315,764,002.85
  5. Step 5: Solve for x
    x = 15,315,764,002.85/142,023.10
  6. Step 6: Final answer
    x = 107,839.95

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.