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Finding the Fourth Proportional to 110,061.40, 165,092.10 and 72,007.60

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Solution

The fourth proportional to 110,061.40, 165,092.10 and 72,007.60 is: 108,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,061.40 : 165,092.10 = 72,007.60 : x
  2. Step 2: Convert to fraction form
    110,061.40/165,092.10 = 72,007.60/x
  3. Step 3: Cross multiply
    110,061.40x = 165,092.10 × 72,007.60
  4. Step 4: Simplify right side
    110,061.40x = 11,887,885,899.96
  5. Step 5: Solve for x
    x = 11,887,885,899.96/110,061.40
  6. Step 6: Final answer
    x = 108,011.40

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