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Finding the Fourth Proportional to 136,712.96, 205,070.40 and 38,216.96

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Solution

The fourth proportional to 136,712.96, 205,070.40 and 38,216.96 is: 57,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,712.96 : 205,070.40 = 38,216.96 : x
  2. Step 2: Convert to fraction form
    136,712.96/205,070.40 = 38,216.96/x
  3. Step 3: Cross multiply
    136,712.96x = 205,070.40 × 38,216.96
  4. Step 4: Simplify right side
    136,712.96x = 7,837,167,273.98
  5. Step 5: Solve for x
    x = 7,837,167,273.98/136,712.96
  6. Step 6: Final answer
    x = 57,325.71

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