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Finding the Fourth Proportional to 156,591.18, 216,093.96 and 84,970.62

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Solution

The fourth proportional to 156,591.18, 216,093.96 and 84,970.62 is: 117,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,591.18 : 216,093.96 = 84,970.62 : x
  2. Step 2: Convert to fraction form
    156,591.18/216,093.96 = 84,970.62/x
  3. Step 3: Cross multiply
    156,591.18x = 216,093.96 × 84,970.62
  4. Step 4: Simplify right side
    156,591.18x = 18,361,637,759.46
  5. Step 5: Solve for x
    x = 18,361,637,759.46/156,591.18
  6. Step 6: Final answer
    x = 117,258.44

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