Home / 189,832.48-261,945.36-104,951.20

Finding the Fourth Proportional to 189,832.48, 261,945.36 and 104,951.20

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Solution

The fourth proportional to 189,832.48, 261,945.36 and 104,951.20 is: 144,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,832.48 : 261,945.36 = 104,951.20 : x
  2. Step 2: Convert to fraction form
    189,832.48/261,945.36 = 104,951.20/x
  3. Step 3: Cross multiply
    189,832.48x = 261,945.36 × 104,951.20
  4. Step 4: Simplify right side
    189,832.48x = 27,491,479,866.43
  5. Step 5: Solve for x
    x = 27,491,479,866.43/189,832.48
  6. Step 6: Final answer
    x = 144,819.68

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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.