Home / 236,112.39-325,825.62-128,680.12

Finding the Fourth Proportional to 236,112.39, 325,825.62 and 128,680.12

Calculator

Solution

The fourth proportional to 236,112.39, 325,825.62 and 128,680.12 is: 177,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,112.39 : 325,825.62 = 128,680.12 : x
  2. Step 2: Convert to fraction form
    236,112.39/325,825.62 = 128,680.12/x
  3. Step 3: Cross multiply
    236,112.39x = 325,825.62 × 128,680.12
  4. Step 4: Simplify right side
    236,112.39x = 41,927,279,880.67
  5. Step 5: Solve for x
    x = 41,927,279,880.67/236,112.39
  6. Step 6: Final answer
    x = 177,573.40

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.