Home / 117,160.25-161,684.15-71,863.26

Finding the Fourth Proportional to 117,160.25, 161,684.15 and 71,863.26

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Solution

The fourth proportional to 117,160.25, 161,684.15 and 71,863.26 is: 99,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,160.25 : 161,684.15 = 71,863.26 : x
  2. Step 2: Convert to fraction form
    117,160.25/161,684.15 = 71,863.26/x
  3. Step 3: Cross multiply
    117,160.25x = 161,684.15 × 71,863.26
  4. Step 4: Simplify right side
    117,160.25x = 11,619,150,109.33
  5. Step 5: Solve for x
    x = 11,619,150,109.33/117,160.25
  6. Step 6: Final answer
    x = 99,173.14

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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.