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Finding the Fourth Proportional to 109,946.70, 164,920.05 and 74,954.70

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Solution

The fourth proportional to 109,946.70, 164,920.05 and 74,954.70 is: 112,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,946.70 : 164,920.05 = 74,954.70 : x
  2. Step 2: Convert to fraction form
    109,946.70/164,920.05 = 74,954.70/x
  3. Step 3: Cross multiply
    109,946.70x = 164,920.05 × 74,954.70
  4. Step 4: Simplify right side
    109,946.70x = 12,361,532,871.74
  5. Step 5: Solve for x
    x = 12,361,532,871.74/109,946.70
  6. Step 6: Final answer
    x = 112,432.05

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