Home / 139,063.69-191,906.04-75,400.12

Finding the Fourth Proportional to 139,063.69, 191,906.04 and 75,400.12

Calculator

Solution

The fourth proportional to 139,063.69, 191,906.04 and 75,400.12 is: 104,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,063.69 : 191,906.04 = 75,400.12 : x
  2. Step 2: Convert to fraction form
    139,063.69/191,906.04 = 75,400.12/x
  3. Step 3: Cross multiply
    139,063.69x = 191,906.04 × 75,400.12
  4. Step 4: Simplify right side
    139,063.69x = 14,469,738,444.72
  5. Step 5: Solve for x
    x = 14,469,738,444.72/139,063.69
  6. Step 6: Final answer
    x = 104,051.16

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.