Home / 239,286.34-330,200.31-131,850.37

Finding the Fourth Proportional to 239,286.34, 330,200.31 and 131,850.37

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Solution

The fourth proportional to 239,286.34, 330,200.31 and 131,850.37 is: 181,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,286.34 : 330,200.31 = 131,850.37 : x
  2. Step 2: Convert to fraction form
    239,286.34/330,200.31 = 131,850.37/x
  3. Step 3: Cross multiply
    239,286.34x = 330,200.31 × 131,850.37
  4. Step 4: Simplify right side
    239,286.34x = 43,537,033,047.61
  5. Step 5: Solve for x
    x = 43,537,033,047.61/239,286.34
  6. Step 6: Final answer
    x = 181,945.33

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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.