Home / 238,961.27-329,754.03-131,510.79

Finding the Fourth Proportional to 238,961.27, 329,754.03 and 131,510.79

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Solution

The fourth proportional to 238,961.27, 329,754.03 and 131,510.79 is: 181,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,961.27 : 329,754.03 = 131,510.79 : x
  2. Step 2: Convert to fraction form
    238,961.27/329,754.03 = 131,510.79/x
  3. Step 3: Cross multiply
    238,961.27x = 329,754.03 × 131,510.79
  4. Step 4: Simplify right side
    238,961.27x = 43,366,212,990.98
  5. Step 5: Solve for x
    x = 43,366,212,990.98/238,961.27
  6. Step 6: Final answer
    x = 181,478.00

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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.