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Finding the Fourth Proportional to 108,262.63, 149,432.61 and 74,276.65

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Solution

The fourth proportional to 108,262.63, 149,432.61 and 74,276.65 is: 102,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,262.63 : 149,432.61 = 74,276.65 : x
  2. Step 2: Convert to fraction form
    108,262.63/149,432.61 = 74,276.65/x
  3. Step 3: Cross multiply
    108,262.63x = 149,432.61 × 74,276.65
  4. Step 4: Simplify right side
    108,262.63x = 11,099,353,671.56
  5. Step 5: Solve for x
    x = 11,099,353,671.56/108,262.63
  6. Step 6: Final answer
    x = 102,522.48

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