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Finding the Fourth Proportional to 189,765.10, 284,428.53 and 71,360.92

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Solution

The fourth proportional to 189,765.10, 284,428.53 and 71,360.92 is: 106,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,765.10 : 284,428.53 = 71,360.92 : x
  2. Step 2: Convert to fraction form
    189,765.10/284,428.53 = 71,360.92/x
  3. Step 3: Cross multiply
    189,765.10x = 284,428.53 × 71,360.92
  4. Step 4: Simplify right side
    189,765.10x = 20,297,081,575.05
  5. Step 5: Solve for x
    x = 20,297,081,575.05/189,765.10
  6. Step 6: Final answer
    x = 106,958.98

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