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Finding the Fourth Proportional to 131,034.96, 180,828.24 and 74,446.40

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Solution

The fourth proportional to 131,034.96, 180,828.24 and 74,446.40 is: 102,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,034.96 : 180,828.24 = 74,446.40 : x
  2. Step 2: Convert to fraction form
    131,034.96/180,828.24 = 74,446.40/x
  3. Step 3: Cross multiply
    131,034.96x = 180,828.24 × 74,446.40
  4. Step 4: Simplify right side
    131,034.96x = 13,462,011,486.34
  5. Step 5: Solve for x
    x = 13,462,011,486.34/131,034.96
  6. Step 6: Final answer
    x = 102,736.03

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