Home / 141,731.85-212,306.18-71,650.65

Finding the Fourth Proportional to 141,731.85, 212,306.18 and 71,650.65

Calculator

Solution

The fourth proportional to 141,731.85, 212,306.18 and 71,650.65 is: 107,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,731.85 : 212,306.18 = 71,650.65 : x
  2. Step 2: Convert to fraction form
    141,731.85/212,306.18 = 71,650.65/x
  3. Step 3: Cross multiply
    141,731.85x = 212,306.18 × 71,650.65
  4. Step 4: Simplify right side
    141,731.85x = 15,211,875,437.76
  5. Step 5: Solve for x
    x = 15,211,875,437.76/141,731.85
  6. Step 6: Final answer
    x = 107,328.56

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.