Home / 189,563.48-261,595.96-104,678.72

Finding the Fourth Proportional to 189,563.48, 261,595.96 and 104,678.72

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Solution

The fourth proportional to 189,563.48, 261,595.96 and 104,678.72 is: 144,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,563.48 : 261,595.96 = 104,678.72 : x
  2. Step 2: Convert to fraction form
    189,563.48/261,595.96 = 104,678.72/x
  3. Step 3: Cross multiply
    189,563.48x = 261,595.96 × 104,678.72
  4. Step 4: Simplify right side
    189,563.48x = 27,383,530,249.97
  5. Step 5: Solve for x
    x = 27,383,530,249.97/189,563.48
  6. Step 6: Final answer
    x = 144,455.73

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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.