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Finding the Fourth Proportional to 156,327.60, 215,719.32 and 88,350.72

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Solution

The fourth proportional to 156,327.60, 215,719.32 and 88,350.72 is: 121,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,327.60 : 215,719.32 = 88,350.72 : x
  2. Step 2: Convert to fraction form
    156,327.60/215,719.32 = 88,350.72/x
  3. Step 3: Cross multiply
    156,327.60x = 215,719.32 × 88,350.72
  4. Step 4: Simplify right side
    156,327.60x = 19,058,957,239.91
  5. Step 5: Solve for x
    x = 19,058,957,239.91/156,327.60
  6. Step 6: Final answer
    x = 121,916.78

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