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Finding the Fourth Proportional to 143,579.60, 214,980.60 and 112,475.60

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Solution

The fourth proportional to 143,579.60, 214,980.60 and 112,475.60 is: 168,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,579.60 : 214,980.60 = 112,475.60 : x
  2. Step 2: Convert to fraction form
    143,579.60/214,980.60 = 112,475.60/x
  3. Step 3: Cross multiply
    143,579.60x = 214,980.60 × 112,475.60
  4. Step 4: Simplify right side
    143,579.60x = 24,180,071,973.36
  5. Step 5: Solve for x
    x = 24,180,071,973.36/143,579.60
  6. Step 6: Final answer
    x = 168,408.83

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