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Finding the Fourth Proportional to 104,170.80, 156,210.12 and 30,304.56

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Solution

The fourth proportional to 104,170.80, 156,210.12 and 30,304.56 is: 45,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.80 : 156,210.12 = 30,304.56 : x
  2. Step 2: Convert to fraction form
    104,170.80/156,210.12 = 30,304.56/x
  3. Step 3: Cross multiply
    104,170.80x = 156,210.12 × 30,304.56
  4. Step 4: Simplify right side
    104,170.80x = 4,733,878,954.15
  5. Step 5: Solve for x
    x = 4,733,878,954.15/104,170.80
  6. Step 6: Final answer
    x = 45,443.43

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