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Finding the Fourth Proportional to 114,693.60, 172,040.40 and 88,449.60

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Solution

The fourth proportional to 114,693.60, 172,040.40 and 88,449.60 is: 132,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,693.60 : 172,040.40 = 88,449.60 : x
  2. Step 2: Convert to fraction form
    114,693.60/172,040.40 = 88,449.60/x
  3. Step 3: Cross multiply
    114,693.60x = 172,040.40 × 88,449.60
  4. Step 4: Simplify right side
    114,693.60x = 15,216,904,563.84
  5. Step 5: Solve for x
    x = 15,216,904,563.84/114,693.60
  6. Step 6: Final answer
    x = 132,674.40

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