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Finding the Fourth Proportional to 105,817.20, 158,725.80 and 101,734.80

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Solution

The fourth proportional to 105,817.20, 158,725.80 and 101,734.80 is: 152,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.20 : 158,725.80 = 101,734.80 : x
  2. Step 2: Convert to fraction form
    105,817.20/158,725.80 = 101,734.80/x
  3. Step 3: Cross multiply
    105,817.20x = 158,725.80 × 101,734.80
  4. Step 4: Simplify right side
    105,817.20x = 16,147,937,517.84
  5. Step 5: Solve for x
    x = 16,147,937,517.84/105,817.20
  6. Step 6: Final answer
    x = 152,602.20

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