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Finding the Fourth Proportional to 108,498.27, 162,668.55 and 45,336.48

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Solution

The fourth proportional to 108,498.27, 162,668.55 and 45,336.48 is: 67,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,498.27 : 162,668.55 = 45,336.48 : x
  2. Step 2: Convert to fraction form
    108,498.27/162,668.55 = 45,336.48/x
  3. Step 3: Cross multiply
    108,498.27x = 162,668.55 × 45,336.48
  4. Step 4: Simplify right side
    108,498.27x = 7,374,818,423.68
  5. Step 5: Solve for x
    x = 7,374,818,423.68/108,498.27
  6. Step 6: Final answer
    x = 67,971.76

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