Home / 238,654.09-329,343.87-131,231.05

Finding the Fourth Proportional to 238,654.09, 329,343.87 and 131,231.05

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Solution

The fourth proportional to 238,654.09, 329,343.87 and 131,231.05 is: 181,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,654.09 : 329,343.87 = 131,231.05 : x
  2. Step 2: Convert to fraction form
    238,654.09/329,343.87 = 131,231.05/x
  3. Step 3: Cross multiply
    238,654.09x = 329,343.87 × 131,231.05
  4. Step 4: Simplify right side
    238,654.09x = 43,220,141,871.16
  5. Step 5: Solve for x
    x = 43,220,141,871.16/238,654.09
  6. Step 6: Final answer
    x = 181,099.52

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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.