Home / 116,893.69-161,310.06-65,905.97

Finding the Fourth Proportional to 116,893.69, 161,310.06 and 65,905.97

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Solution

The fourth proportional to 116,893.69, 161,310.06 and 65,905.97 is: 90,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,893.69 : 161,310.06 = 65,905.97 : x
  2. Step 2: Convert to fraction form
    116,893.69/161,310.06 = 65,905.97/x
  3. Step 3: Cross multiply
    116,893.69x = 161,310.06 × 65,905.97
  4. Step 4: Simplify right side
    116,893.69x = 10,631,295,975.06
  5. Step 5: Solve for x
    x = 10,631,295,975.06/116,893.69
  6. Step 6: Final answer
    x = 90,948.42

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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.