Home / 238,899.73-329,681.67-131,469.76

Finding the Fourth Proportional to 238,899.73, 329,681.67 and 131,469.76

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Solution

The fourth proportional to 238,899.73, 329,681.67 and 131,469.76 is: 181,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,899.73 : 329,681.67 = 131,469.76 : x
  2. Step 2: Convert to fraction form
    238,899.73/329,681.67 = 131,469.76/x
  3. Step 3: Cross multiply
    238,899.73x = 329,681.67 × 131,469.76
  4. Step 4: Simplify right side
    238,899.73x = 43,343,167,725.54
  5. Step 5: Solve for x
    x = 43,343,167,725.54/238,899.73
  6. Step 6: Final answer
    x = 181,428.29

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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.