Home / 207,361.06-311,116.56-72,445.12

Finding the Fourth Proportional to 207,361.06, 311,116.56 and 72,445.12

Calculator

Solution

The fourth proportional to 207,361.06, 311,116.56 and 72,445.12 is: 108,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,361.06 : 311,116.56 = 72,445.12 : x
  2. Step 2: Convert to fraction form
    207,361.06/311,116.56 = 72,445.12/x
  3. Step 3: Cross multiply
    207,361.06x = 311,116.56 × 72,445.12
  4. Step 4: Simplify right side
    207,361.06x = 22,538,876,523.19
  5. Step 5: Solve for x
    x = 22,538,876,523.19/207,361.06
  6. Step 6: Final answer
    x = 108,693.87

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.