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Finding the Fourth Proportional to 102,756.61, 154,145.18 and 27,877.99

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Solution

The fourth proportional to 102,756.61, 154,145.18 and 27,877.99 is: 41,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,756.61 : 154,145.18 = 27,877.99 : x
  2. Step 2: Convert to fraction form
    102,756.61/154,145.18 = 27,877.99/x
  3. Step 3: Cross multiply
    102,756.61x = 154,145.18 × 27,877.99
  4. Step 4: Simplify right side
    102,756.61x = 4,297,257,786.59
  5. Step 5: Solve for x
    x = 4,297,257,786.59/102,756.61
  6. Step 6: Final answer
    x = 41,819.77

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