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Finding the Fourth Proportional to 120,964.69, 166,941.90 and 66,526.45

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Solution

The fourth proportional to 120,964.69, 166,941.90 and 66,526.45 is: 91,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.69 : 166,941.90 = 66,526.45 : x
  2. Step 2: Convert to fraction form
    120,964.69/166,941.90 = 66,526.45/x
  3. Step 3: Cross multiply
    120,964.69x = 166,941.90 × 66,526.45
  4. Step 4: Simplify right side
    120,964.69x = 11,106,051,128.55
  5. Step 5: Solve for x
    x = 11,106,051,128.55/120,964.69
  6. Step 6: Final answer
    x = 91,812.34

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