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Finding the Fourth Proportional to 135,830.62, 187,446.99 and 75,400.30

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Solution

The fourth proportional to 135,830.62, 187,446.99 and 75,400.30 is: 104,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,830.62 : 187,446.99 = 75,400.30 : x
  2. Step 2: Convert to fraction form
    135,830.62/187,446.99 = 75,400.30/x
  3. Step 3: Cross multiply
    135,830.62x = 187,446.99 × 75,400.30
  4. Step 4: Simplify right side
    135,830.62x = 14,133,559,280.10
  5. Step 5: Solve for x
    x = 14,133,559,280.10/135,830.62
  6. Step 6: Final answer
    x = 104,052.82

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