Home / 181,939.20-272,252.70-122,890.20

Finding the Fourth Proportional to 181,939.20, 272,252.70 and 122,890.20

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Solution

The fourth proportional to 181,939.20, 272,252.70 and 122,890.20 is: 183,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,939.20 : 272,252.70 = 122,890.20 : x
  2. Step 2: Convert to fraction form
    181,939.20/272,252.70 = 122,890.20/x
  3. Step 3: Cross multiply
    181,939.20x = 272,252.70 × 122,890.20
  4. Step 4: Simplify right side
    181,939.20x = 33,457,188,753.54
  5. Step 5: Solve for x
    x = 33,457,188,753.54/181,939.20
  6. Step 6: Final answer
    x = 183,892.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.