Home / 119,736.44-165,243.74-66,021.38

Finding the Fourth Proportional to 119,736.44, 165,243.74 and 66,021.38

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Solution

The fourth proportional to 119,736.44, 165,243.74 and 66,021.38 is: 91,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,736.44 : 165,243.74 = 66,021.38 : x
  2. Step 2: Convert to fraction form
    119,736.44/165,243.74 = 66,021.38/x
  3. Step 3: Cross multiply
    119,736.44x = 165,243.74 × 66,021.38
  4. Step 4: Simplify right side
    119,736.44x = 10,909,619,751.16
  5. Step 5: Solve for x
    x = 10,909,619,751.16/119,736.44
  6. Step 6: Final answer
    x = 91,113.61

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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.