Home / 238,983.21-329,806.25-131,563.24

Finding the Fourth Proportional to 238,983.21, 329,806.25 and 131,563.24

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Solution

The fourth proportional to 238,983.21, 329,806.25 and 131,563.24 is: 181,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,983.21 : 329,806.25 = 131,563.24 : x
  2. Step 2: Convert to fraction form
    238,983.21/329,806.25 = 131,563.24/x
  3. Step 3: Cross multiply
    238,983.21x = 329,806.25 × 131,563.24
  4. Step 4: Simplify right side
    238,983.21x = 43,390,377,833.28
  5. Step 5: Solve for x
    x = 43,390,377,833.28/238,983.21
  6. Step 6: Final answer
    x = 181,562.45

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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.