Home / 239,137.79-330,010.54-131,708.09

Finding the Fourth Proportional to 239,137.79, 330,010.54 and 131,708.09

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Solution

The fourth proportional to 239,137.79, 330,010.54 and 131,708.09 is: 181,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,137.79 : 330,010.54 = 131,708.09 : x
  2. Step 2: Convert to fraction form
    239,137.79/330,010.54 = 131,708.09/x
  3. Step 3: Cross multiply
    239,137.79x = 330,010.54 × 131,708.09
  4. Step 4: Simplify right side
    239,137.79x = 43,465,058,399.02
  5. Step 5: Solve for x
    x = 43,465,058,399.02/239,137.79
  6. Step 6: Final answer
    x = 181,757.38

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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.