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Finding the Fourth Proportional to 99,214.88, 136,916.55 and 54,502.88

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Solution

The fourth proportional to 99,214.88, 136,916.55 and 54,502.88 is: 75,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,214.88 : 136,916.55 = 54,502.88 : x
  2. Step 2: Convert to fraction form
    99,214.88/136,916.55 = 54,502.88/x
  3. Step 3: Cross multiply
    99,214.88x = 136,916.55 × 54,502.88
  4. Step 4: Simplify right side
    99,214.88x = 7,462,345,610.08
  5. Step 5: Solve for x
    x = 7,462,345,610.08/99,214.88
  6. Step 6: Final answer
    x = 75,213.98

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