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Finding the Fourth Proportional to 115,960.40, 174,005.40 and 49,389.20

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Solution

The fourth proportional to 115,960.40, 174,005.40 and 49,389.20 is: 74,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,960.40 : 174,005.40 = 49,389.20 : x
  2. Step 2: Convert to fraction form
    115,960.40/174,005.40 = 49,389.20/x
  3. Step 3: Cross multiply
    115,960.40x = 174,005.40 × 49,389.20
  4. Step 4: Simplify right side
    115,960.40x = 8,593,987,501.68
  5. Step 5: Solve for x
    x = 8,593,987,501.68/115,960.40
  6. Step 6: Final answer
    x = 74,111.40

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