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Finding the Fourth Proportional to 178,090.84, 267,129.78 and 53,428.60

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Solution

The fourth proportional to 178,090.84, 267,129.78 and 53,428.60 is: 80,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,090.84 : 267,129.78 = 53,428.60 : x
  2. Step 2: Convert to fraction form
    178,090.84/267,129.78 = 53,428.60/x
  3. Step 3: Cross multiply
    178,090.84x = 267,129.78 × 53,428.60
  4. Step 4: Simplify right side
    178,090.84x = 14,272,370,163.71
  5. Step 5: Solve for x
    x = 14,272,370,163.71/178,090.84
  6. Step 6: Final answer
    x = 80,140.96

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