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Finding the Fourth Proportional to 173,640.40, 259,942.20 and 103,483.60

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Solution

The fourth proportional to 173,640.40, 259,942.20 and 103,483.60 is: 154,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,640.40 : 259,942.20 = 103,483.60 : x
  2. Step 2: Convert to fraction form
    173,640.40/259,942.20 = 103,483.60/x
  3. Step 3: Cross multiply
    173,640.40x = 259,942.20 × 103,483.60
  4. Step 4: Simplify right side
    173,640.40x = 26,899,754,647.92
  5. Step 5: Solve for x
    x = 26,899,754,647.92/173,640.40
  6. Step 6: Final answer
    x = 154,916.45

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