Home / 119,723.69-165,219.97-66,010.63

Finding the Fourth Proportional to 119,723.69, 165,219.97 and 66,010.63

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Solution

The fourth proportional to 119,723.69, 165,219.97 and 66,010.63 is: 91,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,723.69 : 165,219.97 = 66,010.63 : x
  2. Step 2: Convert to fraction form
    119,723.69/165,219.97 = 66,010.63/x
  3. Step 3: Cross multiply
    119,723.69x = 165,219.97 × 66,010.63
  4. Step 4: Simplify right side
    119,723.69x = 10,906,274,308.28
  5. Step 5: Solve for x
    x = 10,906,274,308.28/119,723.69
  6. Step 6: Final answer
    x = 91,095.37

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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.