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Finding the Fourth Proportional to 99,276.60, 148,914.90 and 59,813.40

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Solution

The fourth proportional to 99,276.60, 148,914.90 and 59,813.40 is: 89,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,276.60 : 148,914.90 = 59,813.40 : x
  2. Step 2: Convert to fraction form
    99,276.60/148,914.90 = 59,813.40/x
  3. Step 3: Cross multiply
    99,276.60x = 148,914.90 × 59,813.40
  4. Step 4: Simplify right side
    99,276.60x = 8,907,106,479.66
  5. Step 5: Solve for x
    x = 8,907,106,479.66/99,276.60
  6. Step 6: Final answer
    x = 89,720.10

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