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Finding the Fourth Proportional to 144,696.40, 217,044.60 and 74,712.40

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Solution

The fourth proportional to 144,696.40, 217,044.60 and 74,712.40 is: 112,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,696.40 : 217,044.60 = 74,712.40 : x
  2. Step 2: Convert to fraction form
    144,696.40/217,044.60 = 74,712.40/x
  3. Step 3: Cross multiply
    144,696.40x = 217,044.60 × 74,712.40
  4. Step 4: Simplify right side
    144,696.40x = 16,215,922,973.04
  5. Step 5: Solve for x
    x = 16,215,922,973.04/144,696.40
  6. Step 6: Final answer
    x = 112,068.60

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