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Finding the Fourth Proportional to 107,210.72, 147,902.28 and 66,934.46

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Solution

The fourth proportional to 107,210.72, 147,902.28 and 66,934.46 is: 92,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,210.72 : 147,902.28 = 66,934.46 : x
  2. Step 2: Convert to fraction form
    107,210.72/147,902.28 = 66,934.46/x
  3. Step 3: Cross multiply
    107,210.72x = 147,902.28 × 66,934.46
  4. Step 4: Simplify right side
    107,210.72x = 9,899,759,244.57
  5. Step 5: Solve for x
    x = 9,899,759,244.57/107,210.72
  6. Step 6: Final answer
    x = 92,339.27

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