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Finding the Fourth Proportional to 115,870.40, 173,870.40 and 49,299.20

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Solution

The fourth proportional to 115,870.40, 173,870.40 and 49,299.20 is: 73,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,870.40 : 173,870.40 = 49,299.20 : x
  2. Step 2: Convert to fraction form
    115,870.40/173,870.40 = 49,299.20/x
  3. Step 3: Cross multiply
    115,870.40x = 173,870.40 × 49,299.20
  4. Step 4: Simplify right side
    115,870.40x = 8,571,671,623.68
  5. Step 5: Solve for x
    x = 8,571,671,623.68/115,870.40
  6. Step 6: Final answer
    x = 73,976.37

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