Home / 81,074.14-111,634.62-73,470.98

Finding the Fourth Proportional to 81,074.14, 111,634.62 and 73,470.98

Calculator

Solution

The fourth proportional to 81,074.14, 111,634.62 and 73,470.98 is: 101,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,074.14 : 111,634.62 = 73,470.98 : x
  2. Step 2: Convert to fraction form
    81,074.14/111,634.62 = 73,470.98/x
  3. Step 3: Cross multiply
    81,074.14x = 111,634.62 × 73,470.98
  4. Step 4: Simplify right side
    81,074.14x = 8,201,904,936.90
  5. Step 5: Solve for x
    x = 8,201,904,936.90/81,074.14
  6. Step 6: Final answer
    x = 101,165.49

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.