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Finding the Fourth Proportional to 108,491.70, 162,763.53 and 45,276.66

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Solution

The fourth proportional to 108,491.70, 162,763.53 and 45,276.66 is: 67,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,491.70 : 162,763.53 = 45,276.66 : x
  2. Step 2: Convert to fraction form
    108,491.70/162,763.53 = 45,276.66/x
  3. Step 3: Cross multiply
    108,491.70x = 162,763.53 × 45,276.66
  4. Step 4: Simplify right side
    108,491.70x = 7,369,389,008.21
  5. Step 5: Solve for x
    x = 7,369,389,008.21/108,491.70
  6. Step 6: Final answer
    x = 67,925.83

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