Home / 171,270.12-236,295.10-99,591.20

Finding the Fourth Proportional to 171,270.12, 236,295.10 and 99,591.20

Calculator

Solution

The fourth proportional to 171,270.12, 236,295.10 and 99,591.20 is: 137,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,270.12 : 236,295.10 = 99,591.20 : x
  2. Step 2: Convert to fraction form
    171,270.12/236,295.10 = 99,591.20/x
  3. Step 3: Cross multiply
    171,270.12x = 236,295.10 × 99,591.20
  4. Step 4: Simplify right side
    171,270.12x = 23,532,912,563.12
  5. Step 5: Solve for x
    x = 23,532,912,563.12/171,270.12
  6. Step 6: Final answer
    x = 137,402.32

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.