Home / 238,533.15-329,177.80-131,105.68

Finding the Fourth Proportional to 238,533.15, 329,177.80 and 131,105.68

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Solution

The fourth proportional to 238,533.15, 329,177.80 and 131,105.68 is: 180,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,533.15 : 329,177.80 = 131,105.68 : x
  2. Step 2: Convert to fraction form
    238,533.15/329,177.80 = 131,105.68/x
  3. Step 3: Cross multiply
    238,533.15x = 329,177.80 × 131,105.68
  4. Step 4: Simplify right side
    238,533.15x = 43,157,079,309.90
  5. Step 5: Solve for x
    x = 43,157,079,309.90/238,533.15
  6. Step 6: Final answer
    x = 180,926.97

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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.