Home / 119,740.96-165,243.60-66,027.88

Finding the Fourth Proportional to 119,740.96, 165,243.60 and 66,027.88

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Solution

The fourth proportional to 119,740.96, 165,243.60 and 66,027.88 is: 91,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740.96 : 165,243.60 = 66,027.88 : x
  2. Step 2: Convert to fraction form
    119,740.96/165,243.60 = 66,027.88/x
  3. Step 3: Cross multiply
    119,740.96x = 165,243.60 × 66,027.88
  4. Step 4: Simplify right side
    119,740.96x = 10,910,684,591.57
  5. Step 5: Solve for x
    x = 10,910,684,591.57/119,740.96
  6. Step 6: Final answer
    x = 91,119.07

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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.