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Finding the Fourth Proportional to 99,280.40, 148,920.60 and 52,624.40

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Solution

The fourth proportional to 99,280.40, 148,920.60 and 52,624.40 is: 78,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.40 : 148,920.60 = 52,624.40 : x
  2. Step 2: Convert to fraction form
    99,280.40/148,920.60 = 52,624.40/x
  3. Step 3: Cross multiply
    99,280.40x = 148,920.60 × 52,624.40
  4. Step 4: Simplify right side
    99,280.40x = 7,836,857,222.64
  5. Step 5: Solve for x
    x = 7,836,857,222.64/99,280.40
  6. Step 6: Final answer
    x = 78,936.60

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