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Finding the Fourth Proportional to 120,464.01, 166,235.85 and 69,478.88

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Solution

The fourth proportional to 120,464.01, 166,235.85 and 69,478.88 is: 95,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,464.01 : 166,235.85 = 69,478.88 : x
  2. Step 2: Convert to fraction form
    120,464.01/166,235.85 = 69,478.88/x
  3. Step 3: Cross multiply
    120,464.01x = 166,235.85 × 69,478.88
  4. Step 4: Simplify right side
    120,464.01x = 11,549,879,842.67
  5. Step 5: Solve for x
    x = 11,549,879,842.67/120,464.01
  6. Step 6: Final answer
    x = 95,878.26

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