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Finding the Fourth Proportional to 190,809.65, 286,222.26 and 48,658.61

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Solution

The fourth proportional to 190,809.65, 286,222.26 and 48,658.61 is: 72,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,809.65 : 286,222.26 = 48,658.61 : x
  2. Step 2: Convert to fraction form
    190,809.65/286,222.26 = 48,658.61/x
  3. Step 3: Cross multiply
    190,809.65x = 286,222.26 × 48,658.61
  4. Step 4: Simplify right side
    190,809.65x = 13,927,177,322.66
  5. Step 5: Solve for x
    x = 13,927,177,322.66/190,809.65
  6. Step 6: Final answer
    x = 72,989.90

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