Home / 78,134.72-117,205.32-22,730.72

Finding the Fourth Proportional to 78,134.72, 117,205.32 and 22,730.72

Calculator

Solution

The fourth proportional to 78,134.72, 117,205.32 and 22,730.72 is: 34,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,134.72 : 117,205.32 = 22,730.72 : x
  2. Step 2: Convert to fraction form
    78,134.72/117,205.32 = 22,730.72/x
  3. Step 3: Cross multiply
    78,134.72x = 117,205.32 × 22,730.72
  4. Step 4: Simplify right side
    78,134.72x = 2,664,160,611.75
  5. Step 5: Solve for x
    x = 2,664,160,611.75/78,134.72
  6. Step 6: Final answer
    x = 34,097.02

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.