Home / 100,635.15-138,868.18-57,604.73

Finding the Fourth Proportional to 100,635.15, 138,868.18 and 57,604.73

Calculator

Solution

The fourth proportional to 100,635.15, 138,868.18 and 57,604.73 is: 79,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,635.15 : 138,868.18 = 57,604.73 : x
  2. Step 2: Convert to fraction form
    100,635.15/138,868.18 = 57,604.73/x
  3. Step 3: Cross multiply
    100,635.15x = 138,868.18 × 57,604.73
  4. Step 4: Simplify right side
    100,635.15x = 7,999,463,314.28
  5. Step 5: Solve for x
    x = 7,999,463,314.28/100,635.15
  6. Step 6: Final answer
    x = 79,489.76

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.