Home / 145,272.44-217,921.20-40,091.40

Finding the Fourth Proportional to 145,272.44, 217,921.20 and 40,091.40

Calculator

Solution

The fourth proportional to 145,272.44, 217,921.20 and 40,091.40 is: 60,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,272.44 : 217,921.20 = 40,091.40 : x
  2. Step 2: Convert to fraction form
    145,272.44/217,921.20 = 40,091.40/x
  3. Step 3: Cross multiply
    145,272.44x = 217,921.20 × 40,091.40
  4. Step 4: Simplify right side
    145,272.44x = 8,736,765,997.68
  5. Step 5: Solve for x
    x = 8,736,765,997.68/145,272.44
  6. Step 6: Final answer
    x = 60,140.56

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.