Home / 231,790.40-347,728.80-74,063.60

Finding the Fourth Proportional to 231,790.40, 347,728.80 and 74,063.60

Calculator

Solution

The fourth proportional to 231,790.40, 347,728.80 and 74,063.60 is: 111,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,790.40 : 347,728.80 = 74,063.60 : x
  2. Step 2: Convert to fraction form
    231,790.40/347,728.80 = 74,063.60/x
  3. Step 3: Cross multiply
    231,790.40x = 347,728.80 × 74,063.60
  4. Step 4: Simplify right side
    231,790.40x = 25,754,046,751.68
  5. Step 5: Solve for x
    x = 25,754,046,751.68/231,790.40
  6. Step 6: Final answer
    x = 111,109.20

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.