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Finding the Fourth Proportional to 158,272.46, 218,414.64 and 85,675.00

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Solution

The fourth proportional to 158,272.46, 218,414.64 and 85,675.00 is: 118,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,272.46 : 218,414.64 = 85,675.00 : x
  2. Step 2: Convert to fraction form
    158,272.46/218,414.64 = 85,675.00/x
  3. Step 3: Cross multiply
    158,272.46x = 218,414.64 × 85,675.00
  4. Step 4: Simplify right side
    158,272.46x = 18,712,674,466.77
  5. Step 5: Solve for x
    x = 18,712,674,466.77/158,272.46
  6. Step 6: Final answer
    x = 118,230.76

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