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Finding the Fourth Proportional to 153,486.44, 230,262.60 and 86,958.44

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Solution

The fourth proportional to 153,486.44, 230,262.60 and 86,958.44 is: 130,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,486.44 : 230,262.60 = 86,958.44 : x
  2. Step 2: Convert to fraction form
    153,486.44/230,262.60 = 86,958.44/x
  3. Step 3: Cross multiply
    153,486.44x = 230,262.60 × 86,958.44
  4. Step 4: Simplify right side
    153,486.44x = 20,023,276,486.34
  5. Step 5: Solve for x
    x = 20,023,276,486.34/153,486.44
  6. Step 6: Final answer
    x = 130,456.32

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