Home / 139,344.76-192,292.59-75,681.19

Finding the Fourth Proportional to 139,344.76, 192,292.59 and 75,681.19

Calculator

Solution

The fourth proportional to 139,344.76, 192,292.59 and 75,681.19 is: 104,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,344.76 : 192,292.59 = 75,681.19 : x
  2. Step 2: Convert to fraction form
    139,344.76/192,292.59 = 75,681.19/x
  3. Step 3: Cross multiply
    139,344.76x = 192,292.59 × 75,681.19
  4. Step 4: Simplify right side
    139,344.76x = 14,552,932,039.38
  5. Step 5: Solve for x
    x = 14,552,932,039.38/139,344.76
  6. Step 6: Final answer
    x = 104,438.32

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.