Home / 239,031.72-329,862.96-131,601.96

Finding the Fourth Proportional to 239,031.72, 329,862.96 and 131,601.96

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Solution

The fourth proportional to 239,031.72, 329,862.96 and 131,601.96 is: 181,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,031.72 : 329,862.96 = 131,601.96 : x
  2. Step 2: Convert to fraction form
    239,031.72/329,862.96 = 131,601.96/x
  3. Step 3: Cross multiply
    239,031.72x = 329,862.96 × 131,601.96
  4. Step 4: Simplify right side
    239,031.72x = 43,410,612,067.40
  5. Step 5: Solve for x
    x = 43,410,612,067.40/239,031.72
  6. Step 6: Final answer
    x = 181,610.26

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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.