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Finding the Fourth Proportional to 100,675.64, 150,684.78 and 74,014.59

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Solution

The fourth proportional to 100,675.64, 150,684.78 and 74,014.59 is: 110,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,675.64 : 150,684.78 = 74,014.59 : x
  2. Step 2: Convert to fraction form
    100,675.64/150,684.78 = 74,014.59/x
  3. Step 3: Cross multiply
    100,675.64x = 150,684.78 × 74,014.59
  4. Step 4: Simplify right side
    100,675.64x = 11,152,872,210.94
  5. Step 5: Solve for x
    x = 11,152,872,210.94/100,675.64
  6. Step 6: Final answer
    x = 110,780.25

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