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Finding the Fourth Proportional to 143,336.40, 215,101.80 and 93,294.60

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Solution

The fourth proportional to 143,336.40, 215,101.80 and 93,294.60 is: 140,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336.40 : 215,101.80 = 93,294.60 : x
  2. Step 2: Convert to fraction form
    143,336.40/215,101.80 = 93,294.60/x
  3. Step 3: Cross multiply
    143,336.40x = 215,101.80 × 93,294.60
  4. Step 4: Simplify right side
    143,336.40x = 20,067,836,390.28
  5. Step 5: Solve for x
    x = 20,067,836,390.28/143,336.40
  6. Step 6: Final answer
    x = 140,005.17

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