Home / 190,906.38-286,088.76-140,591.88

Finding the Fourth Proportional to 190,906.38, 286,088.76 and 140,591.88

Calculator

Solution

The fourth proportional to 190,906.38, 286,088.76 and 140,591.88 is: 210,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,906.38 : 286,088.76 = 140,591.88 : x
  2. Step 2: Convert to fraction form
    190,906.38/286,088.76 = 140,591.88/x
  3. Step 3: Cross multiply
    190,906.38x = 286,088.76 × 140,591.88
  4. Step 4: Simplify right side
    190,906.38x = 40,221,756,615.27
  5. Step 5: Solve for x
    x = 40,221,756,615.27/190,906.38
  6. Step 6: Final answer
    x = 210,688.38

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.