Home / 78,161.28-117,228.16-22,744.32

Finding the Fourth Proportional to 78,161.28, 117,228.16 and 22,744.32

Calculator

Solution

The fourth proportional to 78,161.28, 117,228.16 and 22,744.32 is: 34,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,161.28 : 117,228.16 = 22,744.32 : x
  2. Step 2: Convert to fraction form
    78,161.28/117,228.16 = 22,744.32/x
  3. Step 3: Cross multiply
    78,161.28x = 117,228.16 × 22,744.32
  4. Step 4: Simplify right side
    78,161.28x = 2,666,274,784.05
  5. Step 5: Solve for x
    x = 2,666,274,784.05/78,161.28
  6. Step 6: Final answer
    x = 34,112.48

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.