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Finding the Fourth Proportional to 104,788.55, 144,608.21 and 57,042.25

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Solution

The fourth proportional to 104,788.55, 144,608.21 and 57,042.25 is: 78,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,788.55 : 144,608.21 = 57,042.25 : x
  2. Step 2: Convert to fraction form
    104,788.55/144,608.21 = 57,042.25/x
  3. Step 3: Cross multiply
    104,788.55x = 144,608.21 × 57,042.25
  4. Step 4: Simplify right side
    104,788.55x = 8,248,778,207.90
  5. Step 5: Solve for x
    x = 8,248,778,207.90/104,788.55
  6. Step 6: Final answer
    x = 78,718.32

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