Home / 116,822.25-161,214.71-66,530.97

Finding the Fourth Proportional to 116,822.25, 161,214.71 and 66,530.97

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Solution

The fourth proportional to 116,822.25, 161,214.71 and 66,530.97 is: 91,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,822.25 : 161,214.71 = 66,530.97 : x
  2. Step 2: Convert to fraction form
    116,822.25/161,214.71 = 66,530.97/x
  3. Step 3: Cross multiply
    116,822.25x = 161,214.71 × 66,530.97
  4. Step 4: Simplify right side
    116,822.25x = 10,725,770,701.91
  5. Step 5: Solve for x
    x = 10,725,770,701.91/116,822.25
  6. Step 6: Final answer
    x = 91,812.74

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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.