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Finding the Fourth Proportional to 156,941.86, 216,584.04 and 85,326.70

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Solution

The fourth proportional to 156,941.86, 216,584.04 and 85,326.70 is: 117,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.86 : 216,584.04 = 85,326.70 : x
  2. Step 2: Convert to fraction form
    156,941.86/216,584.04 = 85,326.70/x
  3. Step 3: Cross multiply
    156,941.86x = 216,584.04 × 85,326.70
  4. Step 4: Simplify right side
    156,941.86x = 18,480,401,405.87
  5. Step 5: Solve for x
    x = 18,480,401,405.87/156,941.86
  6. Step 6: Final answer
    x = 117,753.17

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