Home / 198,566.20-274,061.21-117,978.21

Finding the Fourth Proportional to 198,566.20, 274,061.21 and 117,978.21

Calculator

Solution

The fourth proportional to 198,566.20, 274,061.21 and 117,978.21 is: 162,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,566.20 : 274,061.21 = 117,978.21 : x
  2. Step 2: Convert to fraction form
    198,566.20/274,061.21 = 117,978.21/x
  3. Step 3: Cross multiply
    198,566.20x = 274,061.21 × 117,978.21
  4. Step 4: Simplify right side
    198,566.20x = 32,333,250,396.34
  5. Step 5: Solve for x
    x = 32,333,250,396.34/198,566.20
  6. Step 6: Final answer
    x = 162,833.61

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.