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Finding the Fourth Proportional to 154,715.07, 213,506.79 and 87,647.07

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Solution

The fourth proportional to 154,715.07, 213,506.79 and 87,647.07 is: 120,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,715.07 : 213,506.79 = 87,647.07 : x
  2. Step 2: Convert to fraction form
    154,715.07/213,506.79 = 87,647.07/x
  3. Step 3: Cross multiply
    154,715.07x = 213,506.79 × 87,647.07
  4. Step 4: Simplify right side
    154,715.07x = 18,713,244,568.61
  5. Step 5: Solve for x
    x = 18,713,244,568.61/154,715.07
  6. Step 6: Final answer
    x = 120,952.95

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