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Finding the Fourth Proportional to 99,745.70, 149,618.55 and 36,565.70

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Solution

The fourth proportional to 99,745.70, 149,618.55 and 36,565.70 is: 54,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,745.70 : 149,618.55 = 36,565.70 : x
  2. Step 2: Convert to fraction form
    99,745.70/149,618.55 = 36,565.70/x
  3. Step 3: Cross multiply
    99,745.70x = 149,618.55 × 36,565.70
  4. Step 4: Simplify right side
    99,745.70x = 5,470,907,013.74
  5. Step 5: Solve for x
    x = 5,470,907,013.74/99,745.70
  6. Step 6: Final answer
    x = 54,848.55

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