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Finding the Fourth Proportional to 149,037.88, 205,675.86 and 85,395.64

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Solution

The fourth proportional to 149,037.88, 205,675.86 and 85,395.64 is: 117,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,037.88 : 205,675.86 = 85,395.64 : x
  2. Step 2: Convert to fraction form
    149,037.88/205,675.86 = 85,395.64/x
  3. Step 3: Cross multiply
    149,037.88x = 205,675.86 × 85,395.64
  4. Step 4: Simplify right side
    149,037.88x = 17,563,821,697.25
  5. Step 5: Solve for x
    x = 17,563,821,697.25/149,037.88
  6. Step 6: Final answer
    x = 117,848.04

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