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Finding the Fourth Proportional to 108,467.54, 149,608.05 and 99,543.86

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Solution

The fourth proportional to 108,467.54, 149,608.05 and 99,543.86 is: 137,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,467.54 : 149,608.05 = 99,543.86 : x
  2. Step 2: Convert to fraction form
    108,467.54/149,608.05 = 99,543.86/x
  3. Step 3: Cross multiply
    108,467.54x = 149,608.05 × 99,543.86
  4. Step 4: Simplify right side
    108,467.54x = 14,892,562,784.07
  5. Step 5: Solve for x
    x = 14,892,562,784.07/108,467.54
  6. Step 6: Final answer
    x = 137,299.72

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