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Finding the Fourth Proportional to 178,321.91, 267,386.27 and 78,365.07

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Solution

The fourth proportional to 178,321.91, 267,386.27 and 78,365.07 is: 117,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,321.91 : 267,386.27 = 78,365.07 : x
  2. Step 2: Convert to fraction form
    178,321.91/267,386.27 = 78,365.07/x
  3. Step 3: Cross multiply
    178,321.91x = 267,386.27 × 78,365.07
  4. Step 4: Simplify right side
    178,321.91x = 20,953,743,373.76
  5. Step 5: Solve for x
    x = 20,953,743,373.76/178,321.91
  6. Step 6: Final answer
    x = 117,505.16

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