Home / 239,190.36-330,082.71-131,760.42

Finding the Fourth Proportional to 239,190.36, 330,082.71 and 131,760.42

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Solution

The fourth proportional to 239,190.36, 330,082.71 and 131,760.42 is: 181,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,190.36 : 330,082.71 = 131,760.42 : x
  2. Step 2: Convert to fraction form
    239,190.36/330,082.71 = 131,760.42/x
  3. Step 3: Cross multiply
    239,190.36x = 330,082.71 × 131,760.42
  4. Step 4: Simplify right side
    239,190.36x = 43,491,836,504.34
  5. Step 5: Solve for x
    x = 43,491,836,504.34/239,190.36
  6. Step 6: Final answer
    x = 181,829.39

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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.