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Finding the Fourth Proportional to 103,484.42, 155,103.60 and 92,904.80

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Solution

The fourth proportional to 103,484.42, 155,103.60 and 92,904.80 is: 139,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484.42 : 155,103.60 = 92,904.80 : x
  2. Step 2: Convert to fraction form
    103,484.42/155,103.60 = 92,904.80/x
  3. Step 3: Cross multiply
    103,484.42x = 155,103.60 × 92,904.80
  4. Step 4: Simplify right side
    103,484.42x = 14,409,868,937.28
  5. Step 5: Solve for x
    x = 14,409,868,937.28/103,484.42
  6. Step 6: Final answer
    x = 139,246.75

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