Home / 141,855.44-195,760.54-78,194.64

Finding the Fourth Proportional to 141,855.44, 195,760.54 and 78,194.64

Calculator

Solution

The fourth proportional to 141,855.44, 195,760.54 and 78,194.64 is: 107,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,855.44 : 195,760.54 = 78,194.64 : x
  2. Step 2: Convert to fraction form
    141,855.44/195,760.54 = 78,194.64/x
  3. Step 3: Cross multiply
    141,855.44x = 195,760.54 × 78,194.64
  4. Step 4: Simplify right side
    141,855.44x = 15,307,424,951.51
  5. Step 5: Solve for x
    x = 15,307,424,951.51/141,855.44
  6. Step 6: Final answer
    x = 107,908.62

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.