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Finding the Fourth Proportional to 156,775.41, 235,127.64 and 72,489.64

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Solution

The fourth proportional to 156,775.41, 235,127.64 and 72,489.64 is: 108,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,775.41 : 235,127.64 = 72,489.64 : x
  2. Step 2: Convert to fraction form
    156,775.41/235,127.64 = 72,489.64/x
  3. Step 3: Cross multiply
    156,775.41x = 235,127.64 × 72,489.64
  4. Step 4: Simplify right side
    156,775.41x = 17,044,317,977.65
  5. Step 5: Solve for x
    x = 17,044,317,977.65/156,775.41
  6. Step 6: Final answer
    x = 108,718.06

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