Home / 238,944.06-329,740.26-131,511.78

Finding the Fourth Proportional to 238,944.06, 329,740.26 and 131,511.78

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Solution

The fourth proportional to 238,944.06, 329,740.26 and 131,511.78 is: 181,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,944.06 : 329,740.26 = 131,511.78 : x
  2. Step 2: Convert to fraction form
    238,944.06/329,740.26 = 131,511.78/x
  3. Step 3: Cross multiply
    238,944.06x = 329,740.26 × 131,511.78
  4. Step 4: Simplify right side
    238,944.06x = 43,364,728,530.26
  5. Step 5: Solve for x
    x = 43,364,728,530.26/238,944.06
  6. Step 6: Final answer
    x = 181,484.86

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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.