Home / 164,021.36-226,366.20-100,401.20

Finding the Fourth Proportional to 164,021.36, 226,366.20 and 100,401.20

Calculator

Solution

The fourth proportional to 164,021.36, 226,366.20 and 100,401.20 is: 138,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,021.36 : 226,366.20 = 100,401.20 : x
  2. Step 2: Convert to fraction form
    164,021.36/226,366.20 = 100,401.20/x
  3. Step 3: Cross multiply
    164,021.36x = 226,366.20 × 100,401.20
  4. Step 4: Simplify right side
    164,021.36x = 22,727,438,119.44
  5. Step 5: Solve for x
    x = 22,727,438,119.44/164,021.36
  6. Step 6: Final answer
    x = 138,563.89

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.