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Finding the Fourth Proportional to 98,218.50, 135,541.53 and 53,506.50

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Solution

The fourth proportional to 98,218.50, 135,541.53 and 53,506.50 is: 73,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.50 : 135,541.53 = 53,506.50 : x
  2. Step 2: Convert to fraction form
    98,218.50/135,541.53 = 53,506.50/x
  3. Step 3: Cross multiply
    98,218.50x = 135,541.53 × 53,506.50
  4. Step 4: Simplify right side
    98,218.50x = 7,252,352,874.95
  5. Step 5: Solve for x
    x = 7,252,352,874.95/98,218.50
  6. Step 6: Final answer
    x = 73,838.97

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