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Finding the Fourth Proportional to 156,773.58, 216,213.48 and 105,777.60

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Solution

The fourth proportional to 156,773.58, 216,213.48 and 105,777.60 is: 145,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,773.58 : 216,213.48 = 105,777.60 : x
  2. Step 2: Convert to fraction form
    156,773.58/216,213.48 = 105,777.60/x
  3. Step 3: Cross multiply
    156,773.58x = 216,213.48 × 105,777.60
  4. Step 4: Simplify right side
    156,773.58x = 22,870,543,002.05
  5. Step 5: Solve for x
    x = 22,870,543,002.05/156,773.58
  6. Step 6: Final answer
    x = 145,882.64

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