Home / 238,647.72-329,342.31-131,225.97

Finding the Fourth Proportional to 238,647.72, 329,342.31 and 131,225.97

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Solution

The fourth proportional to 238,647.72, 329,342.31 and 131,225.97 is: 181,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,647.72 : 329,342.31 = 131,225.97 : x
  2. Step 2: Convert to fraction form
    238,647.72/329,342.31 = 131,225.97/x
  3. Step 3: Cross multiply
    238,647.72x = 329,342.31 × 131,225.97
  4. Step 4: Simplify right side
    238,647.72x = 43,218,264,091.79
  5. Step 5: Solve for x
    x = 43,218,264,091.79/238,647.72
  6. Step 6: Final answer
    x = 181,096.49

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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.