Home / 189,150.72-261,027.94-104,269.20

Finding the Fourth Proportional to 189,150.72, 261,027.94 and 104,269.20

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Solution

The fourth proportional to 189,150.72, 261,027.94 and 104,269.20 is: 143,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,150.72 : 261,027.94 = 104,269.20 : x
  2. Step 2: Convert to fraction form
    189,150.72/261,027.94 = 104,269.20/x
  3. Step 3: Cross multiply
    189,150.72x = 261,027.94 × 104,269.20
  4. Step 4: Simplify right side
    189,150.72x = 27,217,174,481.45
  5. Step 5: Solve for x
    x = 27,217,174,481.45/189,150.72
  6. Step 6: Final answer
    x = 143,891.47

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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.