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Finding the Fourth Proportional to 139,418.84, 192,397.62 and 75,756.86

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Solution

The fourth proportional to 139,418.84, 192,397.62 and 75,756.86 is: 104,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,418.84 : 192,397.62 = 75,756.86 : x
  2. Step 2: Convert to fraction form
    139,418.84/192,397.62 = 75,756.86/x
  3. Step 3: Cross multiply
    139,418.84x = 192,397.62 × 75,756.86
  4. Step 4: Simplify right side
    139,418.84x = 14,575,439,562.67
  5. Step 5: Solve for x
    x = 14,575,439,562.67/139,418.84
  6. Step 6: Final answer
    x = 104,544.26

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