Home / 239,021.85-329,843.76-131,592.69

Finding the Fourth Proportional to 239,021.85, 329,843.76 and 131,592.69

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Solution

The fourth proportional to 239,021.85, 329,843.76 and 131,592.69 is: 181,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,021.85 : 329,843.76 = 131,592.69 : x
  2. Step 2: Convert to fraction form
    239,021.85/329,843.76 = 131,592.69/x
  3. Step 3: Cross multiply
    239,021.85x = 329,843.76 × 131,592.69
  4. Step 4: Simplify right side
    239,021.85x = 43,405,027,164.64
  5. Step 5: Solve for x
    x = 43,405,027,164.64/239,021.85
  6. Step 6: Final answer
    x = 181,594.39

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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.