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Finding the Fourth Proportional to 156,072.95, 215,381.43 and 88,092.80

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Solution

The fourth proportional to 156,072.95, 215,381.43 and 88,092.80 is: 121,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,072.95 : 215,381.43 = 88,092.80 : x
  2. Step 2: Convert to fraction form
    156,072.95/215,381.43 = 88,092.80/x
  3. Step 3: Cross multiply
    156,072.95x = 215,381.43 × 88,092.80
  4. Step 4: Simplify right side
    156,072.95x = 18,973,553,236.70
  5. Step 5: Solve for x
    x = 18,973,553,236.70/156,072.95
  6. Step 6: Final answer
    x = 121,568.49

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