Home / 198,451.40-296,948.10-145,963.40

Finding the Fourth Proportional to 198,451.40, 296,948.10 and 145,963.40

Calculator

Solution

The fourth proportional to 198,451.40, 296,948.10 and 145,963.40 is: 218,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,451.40 : 296,948.10 = 145,963.40 : x
  2. Step 2: Convert to fraction form
    198,451.40/296,948.10 = 145,963.40/x
  3. Step 3: Cross multiply
    198,451.40x = 296,948.10 × 145,963.40
  4. Step 4: Simplify right side
    198,451.40x = 43,343,554,299.54
  5. Step 5: Solve for x
    x = 43,343,554,299.54/198,451.40
  6. Step 6: Final answer
    x = 218,408.91

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.