Home / 239,087.30-329,942.76-131,661.14

Finding the Fourth Proportional to 239,087.30, 329,942.76 and 131,661.14

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Solution

The fourth proportional to 239,087.30, 329,942.76 and 131,661.14 is: 181,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,087.30 : 329,942.76 = 131,661.14 : x
  2. Step 2: Convert to fraction form
    239,087.30/329,942.76 = 131,661.14/x
  3. Step 3: Cross multiply
    239,087.30x = 329,942.76 × 131,661.14
  4. Step 4: Simplify right side
    239,087.30x = 43,440,639,916.35
  5. Step 5: Solve for x
    x = 43,440,639,916.35/239,087.30
  6. Step 6: Final answer
    x = 181,693.63

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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.