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Finding the Fourth Proportional to 113,487.20, 170,230.80 and 102,600.80

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Solution

The fourth proportional to 113,487.20, 170,230.80 and 102,600.80 is: 153,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,487.20 : 170,230.80 = 102,600.80 : x
  2. Step 2: Convert to fraction form
    113,487.20/170,230.80 = 102,600.80/x
  3. Step 3: Cross multiply
    113,487.20x = 170,230.80 × 102,600.80
  4. Step 4: Simplify right side
    113,487.20x = 17,465,816,264.64
  5. Step 5: Solve for x
    x = 17,465,816,264.64/113,487.20
  6. Step 6: Final answer
    x = 153,901.20

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