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Finding the Fourth Proportional to 130,800.64, 180,499.44 and 74,215.12

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Solution

The fourth proportional to 130,800.64, 180,499.44 and 74,215.12 is: 102,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,800.64 : 180,499.44 = 74,215.12 : x
  2. Step 2: Convert to fraction form
    130,800.64/180,499.44 = 74,215.12/x
  3. Step 3: Cross multiply
    130,800.64x = 180,499.44 × 74,215.12
  4. Step 4: Simplify right side
    130,800.64x = 13,395,787,599.53
  5. Step 5: Solve for x
    x = 13,395,787,599.53/130,800.64
  6. Step 6: Final answer
    x = 102,413.78

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