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Finding the Fourth Proportional to 108,719.80, 163,079.70 and 52,586.80

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Solution

The fourth proportional to 108,719.80, 163,079.70 and 52,586.80 is: 78,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,719.80 : 163,079.70 = 52,586.80 : x
  2. Step 2: Convert to fraction form
    108,719.80/163,079.70 = 52,586.80/x
  3. Step 3: Cross multiply
    108,719.80x = 163,079.70 × 52,586.80
  4. Step 4: Simplify right side
    108,719.80x = 8,575,839,567.96
  5. Step 5: Solve for x
    x = 8,575,839,567.96/108,719.80
  6. Step 6: Final answer
    x = 78,880.20

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