Home / 236,310.12-326,110.68-128,879.82

Finding the Fourth Proportional to 236,310.12, 326,110.68 and 128,879.82

Calculator

Solution

The fourth proportional to 236,310.12, 326,110.68 and 128,879.82 is: 177,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,310.12 : 326,110.68 = 128,879.82 : x
  2. Step 2: Convert to fraction form
    236,310.12/326,110.68 = 128,879.82/x
  3. Step 3: Cross multiply
    236,310.12x = 326,110.68 × 128,879.82
  4. Step 4: Simplify right side
    236,310.12x = 42,029,085,738.48
  5. Step 5: Solve for x
    x = 42,029,085,738.48/236,310.12
  6. Step 6: Final answer
    x = 177,855.63

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.