Home / 119,819.80-165,349.76-66,107.08

Finding the Fourth Proportional to 119,819.80, 165,349.76 and 66,107.08

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Solution

The fourth proportional to 119,819.80, 165,349.76 and 66,107.08 is: 91,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.80 : 165,349.76 = 66,107.08 : x
  2. Step 2: Convert to fraction form
    119,819.80/165,349.76 = 66,107.08/x
  3. Step 3: Cross multiply
    119,819.80x = 165,349.76 × 66,107.08
  4. Step 4: Simplify right side
    119,819.80x = 10,930,789,812.30
  5. Step 5: Solve for x
    x = 10,930,789,812.30/119,819.80
  6. Step 6: Final answer
    x = 91,226.91

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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.