Home / 192,605.40-288,908.10-129,619.80

Finding the Fourth Proportional to 192,605.40, 288,908.10 and 129,619.80

Calculator

Solution

The fourth proportional to 192,605.40, 288,908.10 and 129,619.80 is: 194,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,605.40 : 288,908.10 = 129,619.80 : x
  2. Step 2: Convert to fraction form
    192,605.40/288,908.10 = 129,619.80/x
  3. Step 3: Cross multiply
    192,605.40x = 288,908.10 × 129,619.80
  4. Step 4: Simplify right side
    192,605.40x = 37,448,210,140.38
  5. Step 5: Solve for x
    x = 37,448,210,140.38/192,605.40
  6. Step 6: Final answer
    x = 194,429.70

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.