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Finding the Fourth Proportional to 103,606.80, 155,410.20 and 44,432.40

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Solution

The fourth proportional to 103,606.80, 155,410.20 and 44,432.40 is: 66,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,606.80 : 155,410.20 = 44,432.40 : x
  2. Step 2: Convert to fraction form
    103,606.80/155,410.20 = 44,432.40/x
  3. Step 3: Cross multiply
    103,606.80x = 155,410.20 × 44,432.40
  4. Step 4: Simplify right side
    103,606.80x = 6,905,248,170.48
  5. Step 5: Solve for x
    x = 6,905,248,170.48/103,606.80
  6. Step 6: Final answer
    x = 66,648.60

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