Home / 119,724.90-165,227.78-66,009.80

Finding the Fourth Proportional to 119,724.90, 165,227.78 and 66,009.80

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Solution

The fourth proportional to 119,724.90, 165,227.78 and 66,009.80 is: 91,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,724.90 : 165,227.78 = 66,009.80 : x
  2. Step 2: Convert to fraction form
    119,724.90/165,227.78 = 66,009.80/x
  3. Step 3: Cross multiply
    119,724.90x = 165,227.78 × 66,009.80
  4. Step 4: Simplify right side
    119,724.90x = 10,906,652,712.24
  5. Step 5: Solve for x
    x = 10,906,652,712.24/119,724.90
  6. Step 6: Final answer
    x = 91,097.61

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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.