Home / 119,725.20-165,222.05-66,012.13

Finding the Fourth Proportional to 119,725.20, 165,222.05 and 66,012.13

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Solution

The fourth proportional to 119,725.20, 165,222.05 and 66,012.13 is: 91,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,725.20 : 165,222.05 = 66,012.13 : x
  2. Step 2: Convert to fraction form
    119,725.20/165,222.05 = 66,012.13/x
  3. Step 3: Cross multiply
    119,725.20x = 165,222.05 × 66,012.13
  4. Step 4: Simplify right side
    119,725.20x = 10,906,659,443.47
  5. Step 5: Solve for x
    x = 10,906,659,443.47/119,725.20
  6. Step 6: Final answer
    x = 91,097.44

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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.