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Finding the Fourth Proportional to 120,070.08, 165,696.72 and 67,078.08

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Solution

The fourth proportional to 120,070.08, 165,696.72 and 67,078.08 is: 92,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,070.08 : 165,696.72 = 67,078.08 : x
  2. Step 2: Convert to fraction form
    120,070.08/165,696.72 = 67,078.08/x
  3. Step 3: Cross multiply
    120,070.08x = 165,696.72 × 67,078.08
  4. Step 4: Simplify right side
    120,070.08x = 11,114,617,839.90
  5. Step 5: Solve for x
    x = 11,114,617,839.90/120,070.08
  6. Step 6: Final answer
    x = 92,567.76

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