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Finding the Fourth Proportional to 158,425.89, 218,627.67 and 86,808.63

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Solution

The fourth proportional to 158,425.89, 218,627.67 and 86,808.63 is: 119,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,425.89 : 218,627.67 = 86,808.63 : x
  2. Step 2: Convert to fraction form
    158,425.89/218,627.67 = 86,808.63/x
  3. Step 3: Cross multiply
    158,425.89x = 218,627.67 × 86,808.63
  4. Step 4: Simplify right side
    158,425.89x = 18,978,768,512.79
  5. Step 5: Solve for x
    x = 18,978,768,512.79/158,425.89
  6. Step 6: Final answer
    x = 119,795.88

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