Home / 238,679.72-329,369.16-131,243.36

Finding the Fourth Proportional to 238,679.72, 329,369.16 and 131,243.36

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Solution

The fourth proportional to 238,679.72, 329,369.16 and 131,243.36 is: 181,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,679.72 : 329,369.16 = 131,243.36 : x
  2. Step 2: Convert to fraction form
    238,679.72/329,369.16 = 131,243.36/x
  3. Step 3: Cross multiply
    238,679.72x = 329,369.16 × 131,243.36
  4. Step 4: Simplify right side
    238,679.72x = 43,227,515,238.78
  5. Step 5: Solve for x
    x = 43,227,515,238.78/238,679.72
  6. Step 6: Final answer
    x = 181,110.97

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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.