Home / 119,819.94-165,350.37-66,105.39

Finding the Fourth Proportional to 119,819.94, 165,350.37 and 66,105.39

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Solution

The fourth proportional to 119,819.94, 165,350.37 and 66,105.39 is: 91,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.94 : 165,350.37 = 66,105.39 : x
  2. Step 2: Convert to fraction form
    119,819.94/165,350.37 = 66,105.39/x
  3. Step 3: Cross multiply
    119,819.94x = 165,350.37 × 66,105.39
  4. Step 4: Simplify right side
    119,819.94x = 10,930,550,695.49
  5. Step 5: Solve for x
    x = 10,930,550,695.49/119,819.94
  6. Step 6: Final answer
    x = 91,224.81

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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.