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Finding the Fourth Proportional to 107,898.32, 161,847.48 and 45,569.36

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Solution

The fourth proportional to 107,898.32, 161,847.48 and 45,569.36 is: 68,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,898.32 : 161,847.48 = 45,569.36 : x
  2. Step 2: Convert to fraction form
    107,898.32/161,847.48 = 45,569.36/x
  3. Step 3: Cross multiply
    107,898.32x = 161,847.48 × 45,569.36
  4. Step 4: Simplify right side
    107,898.32x = 7,375,286,081.21
  5. Step 5: Solve for x
    x = 7,375,286,081.21/107,898.32
  6. Step 6: Final answer
    x = 68,354.04

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