Home / 238,991.24-329,813.70-131,564.72

Finding the Fourth Proportional to 238,991.24, 329,813.70 and 131,564.72

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Solution

The fourth proportional to 238,991.24, 329,813.70 and 131,564.72 is: 181,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,991.24 : 329,813.70 = 131,564.72 : x
  2. Step 2: Convert to fraction form
    238,991.24/329,813.70 = 131,564.72/x
  3. Step 3: Cross multiply
    238,991.24x = 329,813.70 × 131,564.72
  4. Step 4: Simplify right side
    238,991.24x = 43,391,847,092.66
  5. Step 5: Solve for x
    x = 43,391,847,092.66/238,991.24
  6. Step 6: Final answer
    x = 181,562.50

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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.