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Finding the Fourth Proportional to 99,908.40, 149,920.20 and 37,623.60

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Solution

The fourth proportional to 99,908.40, 149,920.20 and 37,623.60 is: 56,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,908.40 : 149,920.20 = 37,623.60 : x
  2. Step 2: Convert to fraction form
    99,908.40/149,920.20 = 37,623.60/x
  3. Step 3: Cross multiply
    99,908.40x = 149,920.20 × 37,623.60
  4. Step 4: Simplify right side
    99,908.40x = 5,640,537,636.72
  5. Step 5: Solve for x
    x = 5,640,537,636.72/99,908.40
  6. Step 6: Final answer
    x = 56,457.09

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