Home / 119,727.92-165,221.37-66,012.03

Finding the Fourth Proportional to 119,727.92, 165,221.37 and 66,012.03

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Solution

The fourth proportional to 119,727.92, 165,221.37 and 66,012.03 is: 91,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,727.92 : 165,221.37 = 66,012.03 : x
  2. Step 2: Convert to fraction form
    119,727.92/165,221.37 = 66,012.03/x
  3. Step 3: Cross multiply
    119,727.92x = 165,221.37 × 66,012.03
  4. Step 4: Simplify right side
    119,727.92x = 10,906,598,033.08
  5. Step 5: Solve for x
    x = 10,906,598,033.08/119,727.92
  6. Step 6: Final answer
    x = 91,094.86

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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.