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Finding the Fourth Proportional to 109,551.92, 151,188.72 and 61,787.84

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Solution

The fourth proportional to 109,551.92, 151,188.72 and 61,787.84 is: 85,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,551.92 : 151,188.72 = 61,787.84 : x
  2. Step 2: Convert to fraction form
    109,551.92/151,188.72 = 61,787.84/x
  3. Step 3: Cross multiply
    109,551.92x = 151,188.72 × 61,787.84
  4. Step 4: Simplify right side
    109,551.92x = 9,341,624,441.16
  5. Step 5: Solve for x
    x = 9,341,624,441.16/109,551.92
  6. Step 6: Final answer
    x = 85,271.21

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