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Finding the Fourth Proportional to 107,703.48, 161,594.10 and 55,137.72

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Solution

The fourth proportional to 107,703.48, 161,594.10 and 55,137.72 is: 82,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,703.48 : 161,594.10 = 55,137.72 : x
  2. Step 2: Convert to fraction form
    107,703.48/161,594.10 = 55,137.72/x
  3. Step 3: Cross multiply
    107,703.48x = 161,594.10 × 55,137.72
  4. Step 4: Simplify right side
    107,703.48x = 8,909,930,239.45
  5. Step 5: Solve for x
    x = 8,909,930,239.45/107,703.48
  6. Step 6: Final answer
    x = 82,726.48

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