Home / 239,091.75-329,939.39-131,662.36

Finding the Fourth Proportional to 239,091.75, 329,939.39 and 131,662.36

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Solution

The fourth proportional to 239,091.75, 329,939.39 and 131,662.36 is: 181,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,091.75 : 329,939.39 = 131,662.36 : x
  2. Step 2: Convert to fraction form
    239,091.75/329,939.39 = 131,662.36/x
  3. Step 3: Cross multiply
    239,091.75x = 329,939.39 × 131,662.36
  4. Step 4: Simplify right side
    239,091.75x = 43,440,598,744.36
  5. Step 5: Solve for x
    x = 43,440,598,744.36/239,091.75
  6. Step 6: Final answer
    x = 181,690.08

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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.