Home / 119,664.35-165,134.30-65,947.98

Finding the Fourth Proportional to 119,664.35, 165,134.30 and 65,947.98

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Solution

The fourth proportional to 119,664.35, 165,134.30 and 65,947.98 is: 91,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,664.35 : 165,134.30 = 65,947.98 : x
  2. Step 2: Convert to fraction form
    119,664.35/165,134.30 = 65,947.98/x
  3. Step 3: Cross multiply
    119,664.35x = 165,134.30 × 65,947.98
  4. Step 4: Simplify right side
    119,664.35x = 10,890,273,183.97
  5. Step 5: Solve for x
    x = 10,890,273,183.97/119,664.35
  6. Step 6: Final answer
    x = 91,006.83

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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.