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Finding the Fourth Proportional to 144,033.60, 216,050.40 and 74,049.60

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Solution

The fourth proportional to 144,033.60, 216,050.40 and 74,049.60 is: 111,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,033.60 : 216,050.40 = 74,049.60 : x
  2. Step 2: Convert to fraction form
    144,033.60/216,050.40 = 74,049.60/x
  3. Step 3: Cross multiply
    144,033.60x = 216,050.40 × 74,049.60
  4. Step 4: Simplify right side
    144,033.60x = 15,998,445,699.84
  5. Step 5: Solve for x
    x = 15,998,445,699.84/144,033.60
  6. Step 6: Final answer
    x = 111,074.40

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