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Finding the Fourth Proportional to 108,554.91, 149,807.33 and 63,231.72

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Solution

The fourth proportional to 108,554.91, 149,807.33 and 63,231.72 is: 87,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,554.91 : 149,807.33 = 63,231.72 : x
  2. Step 2: Convert to fraction form
    108,554.91/149,807.33 = 63,231.72/x
  3. Step 3: Cross multiply
    108,554.91x = 149,807.33 × 63,231.72
  4. Step 4: Simplify right side
    108,554.91x = 9,472,575,144.51
  5. Step 5: Solve for x
    x = 9,472,575,144.51/108,554.91
  6. Step 6: Final answer
    x = 87,260.68

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