Home / 238,644.72-329,338.20-131,222.94

Finding the Fourth Proportional to 238,644.72, 329,338.20 and 131,222.94

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Solution

The fourth proportional to 238,644.72, 329,338.20 and 131,222.94 is: 181,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,644.72 : 329,338.20 = 131,222.94 : x
  2. Step 2: Convert to fraction form
    238,644.72/329,338.20 = 131,222.94/x
  3. Step 3: Cross multiply
    238,644.72x = 329,338.20 × 131,222.94
  4. Step 4: Simplify right side
    238,644.72x = 43,216,726,858.31
  5. Step 5: Solve for x
    x = 43,216,726,858.31/238,644.72
  6. Step 6: Final answer
    x = 181,092.32

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1.5x scale

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.