Home / 239,399.08-330,355.92-131,963.56

Finding the Fourth Proportional to 239,399.08, 330,355.92 and 131,963.56

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Solution

The fourth proportional to 239,399.08, 330,355.92 and 131,963.56 is: 182,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,399.08 : 330,355.92 = 131,963.56 : x
  2. Step 2: Convert to fraction form
    239,399.08/330,355.92 = 131,963.56/x
  3. Step 3: Cross multiply
    239,399.08x = 330,355.92 × 131,963.56
  4. Step 4: Simplify right side
    239,399.08x = 43,594,943,270.28
  5. Step 5: Solve for x
    x = 43,594,943,270.28/239,399.08
  6. Step 6: Final answer
    x = 182,101.55

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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.