Home / 150,119.28-207,049.20-104,782.80

Finding the Fourth Proportional to 150,119.28, 207,049.20 and 104,782.80

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Solution

The fourth proportional to 150,119.28, 207,049.20 and 104,782.80 is: 144,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,119.28 : 207,049.20 = 104,782.80 : x
  2. Step 2: Convert to fraction form
    150,119.28/207,049.20 = 104,782.80/x
  3. Step 3: Cross multiply
    150,119.28x = 207,049.20 × 104,782.80
  4. Step 4: Simplify right side
    150,119.28x = 21,695,194,913.76
  5. Step 5: Solve for x
    x = 21,695,194,913.76/150,119.28
  6. Step 6: Final answer
    x = 144,519.71

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1.5x scale

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.