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Finding the Fourth Proportional to 103,640.85, 155,459.52 and 46,683.08

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Solution

The fourth proportional to 103,640.85, 155,459.52 and 46,683.08 is: 70,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.85 : 155,459.52 = 46,683.08 : x
  2. Step 2: Convert to fraction form
    103,640.85/155,459.52 = 46,683.08/x
  3. Step 3: Cross multiply
    103,640.85x = 155,459.52 × 46,683.08
  4. Step 4: Simplify right side
    103,640.85x = 7,257,328,431.62
  5. Step 5: Solve for x
    x = 7,257,328,431.62/103,640.85
  6. Step 6: Final answer
    x = 70,023.82

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