Home / 238,681.68-329,383.10-131,252.48

Finding the Fourth Proportional to 238,681.68, 329,383.10 and 131,252.48

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Solution

The fourth proportional to 238,681.68, 329,383.10 and 131,252.48 is: 181,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,681.68 : 329,383.10 = 131,252.48 : x
  2. Step 2: Convert to fraction form
    238,681.68/329,383.10 = 131,252.48/x
  3. Step 3: Cross multiply
    238,681.68x = 329,383.10 × 131,252.48
  4. Step 4: Simplify right side
    238,681.68x = 43,232,348,745.09
  5. Step 5: Solve for x
    x = 43,232,348,745.09/238,681.68
  6. Step 6: Final answer
    x = 181,129.73

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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.