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Finding the Fourth Proportional to 99,894.83, 137,852.57 and 54,573

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Solution

The fourth proportional to 99,894.83, 137,852.57 and 54,573 is: 75,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,894.83 : 137,852.57 = 54,573 : x
  2. Step 2: Convert to fraction form
    99,894.83/137,852.57 = 54,573/x
  3. Step 3: Cross multiply
    99,894.83x = 137,852.57 × 54,573
  4. Step 4: Simplify right side
    99,894.83x = 7,523,028,029.75
  5. Step 5: Solve for x
    x = 7,523,028,029.75/99,894.83
  6. Step 6: Final answer
    x = 75,309.49

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