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Finding the Fourth Proportional to 156,954.10, 235,431.15 and 68,307.70

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Solution

The fourth proportional to 156,954.10, 235,431.15 and 68,307.70 is: 102,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.10 : 235,431.15 = 68,307.70 : x
  2. Step 2: Convert to fraction form
    156,954.10/235,431.15 = 68,307.70/x
  3. Step 3: Cross multiply
    156,954.10x = 235,431.15 × 68,307.70
  4. Step 4: Simplify right side
    156,954.10x = 16,081,760,364.86
  5. Step 5: Solve for x
    x = 16,081,760,364.86/156,954.10
  6. Step 6: Final answer
    x = 102,461.55

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