Home / 78,179.73-117,269.60-19,015.44

Finding the Fourth Proportional to 78,179.73, 117,269.60 and 19,015.44

Calculator

Solution

The fourth proportional to 78,179.73, 117,269.60 and 19,015.44 is: 28,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,179.73 : 117,269.60 = 19,015.44 : x
  2. Step 2: Convert to fraction form
    78,179.73/117,269.60 = 19,015.44/x
  3. Step 3: Cross multiply
    78,179.73x = 117,269.60 × 19,015.44
  4. Step 4: Simplify right side
    78,179.73x = 2,229,932,947.55
  5. Step 5: Solve for x
    x = 2,229,932,947.55/78,179.73
  6. Step 6: Final answer
    x = 28,523.16

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.