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Finding the Fourth Proportional to 120,933.84, 166,907.08 and 87,054.52

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Solution

The fourth proportional to 120,933.84, 166,907.08 and 87,054.52 is: 120,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,933.84 : 166,907.08 = 87,054.52 : x
  2. Step 2: Convert to fraction form
    120,933.84/166,907.08 = 87,054.52/x
  3. Step 3: Cross multiply
    120,933.84x = 166,907.08 × 87,054.52
  4. Step 4: Simplify right side
    120,933.84x = 14,530,015,734.00
  5. Step 5: Solve for x
    x = 14,530,015,734.00/120,933.84
  6. Step 6: Final answer
    x = 120,148.47

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