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Finding the Fourth Proportional to 139,207.77, 192,106.85 and 75,545.57

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Solution

The fourth proportional to 139,207.77, 192,106.85 and 75,545.57 is: 104,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,207.77 : 192,106.85 = 75,545.57 : x
  2. Step 2: Convert to fraction form
    139,207.77/192,106.85 = 75,545.57/x
  3. Step 3: Cross multiply
    139,207.77x = 192,106.85 × 75,545.57
  4. Step 4: Simplify right side
    139,207.77x = 14,512,821,484.15
  5. Step 5: Solve for x
    x = 14,512,821,484.15/139,207.77
  6. Step 6: Final answer
    x = 104,252.96

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