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Finding the Fourth Proportional to 320,137.68, 480,206.52 and 109,777.44

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Solution

The fourth proportional to 320,137.68, 480,206.52 and 109,777.44 is: 164,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,137.68 : 480,206.52 = 109,777.44 : x
  2. Step 2: Convert to fraction form
    320,137.68/480,206.52 = 109,777.44/x
  3. Step 3: Cross multiply
    320,137.68x = 480,206.52 × 109,777.44
  4. Step 4: Simplify right side
    320,137.68x = 52,715,842,436.91
  5. Step 5: Solve for x
    x = 52,715,842,436.91/320,137.68
  6. Step 6: Final answer
    x = 164,666.16

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