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Finding the Fourth Proportional to 125,431.02, 173,083.50 and 74,435.04

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Solution

The fourth proportional to 125,431.02, 173,083.50 and 74,435.04 is: 102,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,431.02 : 173,083.50 = 74,435.04 : x
  2. Step 2: Convert to fraction form
    125,431.02/173,083.50 = 74,435.04/x
  3. Step 3: Cross multiply
    125,431.02x = 173,083.50 × 74,435.04
  4. Step 4: Simplify right side
    125,431.02x = 12,883,477,245.84
  5. Step 5: Solve for x
    x = 12,883,477,245.84/125,431.02
  6. Step 6: Final answer
    x = 102,713.64

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