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Finding the Fourth Proportional to 130,804.82, 180,479.82 and 74,216.20

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Solution

The fourth proportional to 130,804.82, 180,479.82 and 74,216.20 is: 102,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,804.82 : 180,479.82 = 74,216.20 : x
  2. Step 2: Convert to fraction form
    130,804.82/180,479.82 = 74,216.20/x
  3. Step 3: Cross multiply
    130,804.82x = 180,479.82 × 74,216.20
  4. Step 4: Simplify right side
    130,804.82x = 13,394,526,373.86
  5. Step 5: Solve for x
    x = 13,394,526,373.86/130,804.82
  6. Step 6: Final answer
    x = 102,400.86

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