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Finding the Fourth Proportional to 107,018.92, 147,687.20 and 64,569.25

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Solution

The fourth proportional to 107,018.92, 147,687.20 and 64,569.25 is: 89,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,018.92 : 147,687.20 = 64,569.25 : x
  2. Step 2: Convert to fraction form
    107,018.92/147,687.20 = 64,569.25/x
  3. Step 3: Cross multiply
    107,018.92x = 147,687.20 × 64,569.25
  4. Step 4: Simplify right side
    107,018.92x = 9,536,051,415.75
  5. Step 5: Solve for x
    x = 9,536,051,415.75/107,018.92
  6. Step 6: Final answer
    x = 89,106.22

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