Home / 161,540.14-222,994.32-115,003.01

Finding the Fourth Proportional to 161,540.14, 222,994.32 and 115,003.01

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Solution

The fourth proportional to 161,540.14, 222,994.32 and 115,003.01 is: 158,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540.14 : 222,994.32 = 115,003.01 : x
  2. Step 2: Convert to fraction form
    161,540.14/222,994.32 = 115,003.01/x
  3. Step 3: Cross multiply
    161,540.14x = 222,994.32 × 115,003.01
  4. Step 4: Simplify right side
    161,540.14x = 25,645,016,884.78
  5. Step 5: Solve for x
    x = 25,645,016,884.78/161,540.14
  6. Step 6: Final answer
    x = 158,753.22

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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.