Home / 139,626.46-192,676.37-78,366.96

Finding the Fourth Proportional to 139,626.46, 192,676.37 and 78,366.96

Calculator

Solution

The fourth proportional to 139,626.46, 192,676.37 and 78,366.96 is: 108,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,626.46 : 192,676.37 = 78,366.96 : x
  2. Step 2: Convert to fraction form
    139,626.46/192,676.37 = 78,366.96/x
  3. Step 3: Cross multiply
    139,626.46x = 192,676.37 × 78,366.96
  4. Step 4: Simplify right side
    139,626.46x = 15,099,461,380.74
  5. Step 5: Solve for x
    x = 15,099,461,380.74/139,626.46
  6. Step 6: Final answer
    x = 108,141.83

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.