Home / 100,934.53-139,289.81-54,993.96

Finding the Fourth Proportional to 100,934.53, 139,289.81 and 54,993.96

Calculator

Solution

The fourth proportional to 100,934.53, 139,289.81 and 54,993.96 is: 75,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,934.53 : 139,289.81 = 54,993.96 : x
  2. Step 2: Convert to fraction form
    100,934.53/139,289.81 = 54,993.96/x
  3. Step 3: Cross multiply
    100,934.53x = 139,289.81 × 54,993.96
  4. Step 4: Simplify right side
    100,934.53x = 7,660,097,964.58
  5. Step 5: Solve for x
    x = 7,660,097,964.58/100,934.53
  6. Step 6: Final answer
    x = 75,891.75

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.