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Finding the Fourth Proportional to 106,660.64, 147,145.20 and 64,195.04

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Solution

The fourth proportional to 106,660.64, 147,145.20 and 64,195.04 is: 88,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,660.64 : 147,145.20 = 64,195.04 : x
  2. Step 2: Convert to fraction form
    106,660.64/147,145.20 = 64,195.04/x
  3. Step 3: Cross multiply
    106,660.64x = 147,145.20 × 64,195.04
  4. Step 4: Simplify right side
    106,660.64x = 9,445,991,999.81
  5. Step 5: Solve for x
    x = 9,445,991,999.81/106,660.64
  6. Step 6: Final answer
    x = 88,561.18

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