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Finding the Fourth Proportional to 139,332.92, 192,280.57 and 75,671.18

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Solution

The fourth proportional to 139,332.92, 192,280.57 and 75,671.18 is: 104,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,332.92 : 192,280.57 = 75,671.18 : x
  2. Step 2: Convert to fraction form
    139,332.92/192,280.57 = 75,671.18/x
  3. Step 3: Cross multiply
    139,332.92x = 192,280.57 × 75,671.18
  4. Step 4: Simplify right side
    139,332.92x = 14,550,096,643.74
  5. Step 5: Solve for x
    x = 14,550,096,643.74/139,332.92
  6. Step 6: Final answer
    x = 104,426.84

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