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Finding the Fourth Proportional to 122,515.96, 183,790.40 and 120,318.03

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Solution

The fourth proportional to 122,515.96, 183,790.40 and 120,318.03 is: 180,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,515.96 : 183,790.40 = 120,318.03 : x
  2. Step 2: Convert to fraction form
    122,515.96/183,790.40 = 120,318.03/x
  3. Step 3: Cross multiply
    122,515.96x = 183,790.40 × 120,318.03
  4. Step 4: Simplify right side
    122,515.96x = 22,113,298,860.91
  5. Step 5: Solve for x
    x = 22,113,298,860.91/122,515.96
  6. Step 6: Final answer
    x = 180,493.21

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