Home / 256,100.45-353,438.21-141,401.21

Finding the Fourth Proportional to 256,100.45, 353,438.21 and 141,401.21

Calculator

Solution

The fourth proportional to 256,100.45, 353,438.21 and 141,401.21 is: 195,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,100.45 : 353,438.21 = 141,401.21 : x
  2. Step 2: Convert to fraction form
    256,100.45/353,438.21 = 141,401.21/x
  3. Step 3: Cross multiply
    256,100.45x = 353,438.21 × 141,401.21
  4. Step 4: Simplify right side
    256,100.45x = 49,976,590,554.23
  5. Step 5: Solve for x
    x = 49,976,590,554.23/256,100.45
  6. Step 6: Final answer
    x = 195,144.49

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.