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Finding the Fourth Proportional to 103,645.20, 155,352.60 and 44,470.80

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Solution

The fourth proportional to 103,645.20, 155,352.60 and 44,470.80 is: 66,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,645.20 : 155,352.60 = 44,470.80 : x
  2. Step 2: Convert to fraction form
    103,645.20/155,352.60 = 44,470.80/x
  3. Step 3: Cross multiply
    103,645.20x = 155,352.60 × 44,470.80
  4. Step 4: Simplify right side
    103,645.20x = 6,908,654,404.08
  5. Step 5: Solve for x
    x = 6,908,654,404.08/103,645.20
  6. Step 6: Final answer
    x = 66,656.77

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