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Finding the Fourth Proportional to 136,466.67, 188,364.56 and 86,199.15

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Solution

The fourth proportional to 136,466.67, 188,364.56 and 86,199.15 is: 118,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,466.67 : 188,364.56 = 86,199.15 : x
  2. Step 2: Convert to fraction form
    136,466.67/188,364.56 = 86,199.15/x
  3. Step 3: Cross multiply
    136,466.67x = 188,364.56 × 86,199.15
  4. Step 4: Simplify right side
    136,466.67x = 16,236,864,531.13
  5. Step 5: Solve for x
    x = 16,236,864,531.13/136,466.67
  6. Step 6: Final answer
    x = 118,980.44

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