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Finding the Fourth Proportional to 124,623.40, 186,959.40 and 49,730.80

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Solution

The fourth proportional to 124,623.40, 186,959.40 and 49,730.80 is: 74,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,623.40 : 186,959.40 = 49,730.80 : x
  2. Step 2: Convert to fraction form
    124,623.40/186,959.40 = 49,730.80/x
  3. Step 3: Cross multiply
    124,623.40x = 186,959.40 × 49,730.80
  4. Step 4: Simplify right side
    124,623.40x = 9,297,640,529.52
  5. Step 5: Solve for x
    x = 9,297,640,529.52/124,623.40
  6. Step 6: Final answer
    x = 74,605.90

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