Home / 189,164.82-261,043.58-104,281.86

Finding the Fourth Proportional to 189,164.82, 261,043.58 and 104,281.86

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Solution

The fourth proportional to 189,164.82, 261,043.58 and 104,281.86 is: 143,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,164.82 : 261,043.58 = 104,281.86 : x
  2. Step 2: Convert to fraction form
    189,164.82/261,043.58 = 104,281.86/x
  3. Step 3: Cross multiply
    189,164.82x = 261,043.58 × 104,281.86
  4. Step 4: Simplify right side
    189,164.82x = 27,222,110,063.46
  5. Step 5: Solve for x
    x = 27,222,110,063.46/189,164.82
  6. Step 6: Final answer
    x = 143,906.83

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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.