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Finding the Fourth Proportional to 119,694.92, 165,171.48 and 65,976.92

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Solution

The fourth proportional to 119,694.92, 165,171.48 and 65,976.92 is: 91,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,694.92 : 165,171.48 = 65,976.92 : x
  2. Step 2: Convert to fraction form
    119,694.92/165,171.48 = 65,976.92/x
  3. Step 3: Cross multiply
    119,694.92x = 165,171.48 × 65,976.92
  4. Step 4: Simplify right side
    119,694.92x = 10,897,505,522.24
  5. Step 5: Solve for x
    x = 10,897,505,522.24/119,694.92
  6. Step 6: Final answer
    x = 91,044.01

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1.5x scale

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.