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Finding the Fourth Proportional to 99,181.60, 148,772.40 and 59,815.60

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Solution

The fourth proportional to 99,181.60, 148,772.40 and 59,815.60 is: 89,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,181.60 : 148,772.40 = 59,815.60 : x
  2. Step 2: Convert to fraction form
    99,181.60/148,772.40 = 59,815.60/x
  3. Step 3: Cross multiply
    99,181.60x = 148,772.40 × 59,815.60
  4. Step 4: Simplify right side
    99,181.60x = 8,898,910,369.44
  5. Step 5: Solve for x
    x = 8,898,910,369.44/99,181.60
  6. Step 6: Final answer
    x = 89,723.40

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