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Finding the Fourth Proportional to 115,297.03, 172,979.03 and 47,816.69

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Solution

The fourth proportional to 115,297.03, 172,979.03 and 47,816.69 is: 71,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,297.03 : 172,979.03 = 47,816.69 : x
  2. Step 2: Convert to fraction form
    115,297.03/172,979.03 = 47,816.69/x
  3. Step 3: Cross multiply
    115,297.03x = 172,979.03 × 47,816.69
  4. Step 4: Simplify right side
    115,297.03x = 8,271,283,639.69
  5. Step 5: Solve for x
    x = 8,271,283,639.69/115,297.03
  6. Step 6: Final answer
    x = 71,738.92

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