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Finding the Fourth Proportional to 100,609.58, 150,774.20 and 75,620.48

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Solution

The fourth proportional to 100,609.58, 150,774.20 and 75,620.48 is: 113,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,609.58 : 150,774.20 = 75,620.48 : x
  2. Step 2: Convert to fraction form
    100,609.58/150,774.20 = 75,620.48/x
  3. Step 3: Cross multiply
    100,609.58x = 150,774.20 × 75,620.48
  4. Step 4: Simplify right side
    100,609.58x = 11,401,616,432.11
  5. Step 5: Solve for x
    x = 11,401,616,432.11/100,609.58
  6. Step 6: Final answer
    x = 113,325.35

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