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Finding the Fourth Proportional to 156,326.86, 215,731.82 and 84,706.86

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Solution

The fourth proportional to 156,326.86, 215,731.82 and 84,706.86 is: 116,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,326.86 : 215,731.82 = 84,706.86 : x
  2. Step 2: Convert to fraction form
    156,326.86/215,731.82 = 84,706.86/x
  3. Step 3: Cross multiply
    156,326.86x = 215,731.82 × 84,706.86
  4. Step 4: Simplify right side
    156,326.86x = 18,273,965,074.29
  5. Step 5: Solve for x
    x = 18,273,965,074.29/156,326.86
  6. Step 6: Final answer
    x = 116,895.87

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