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Finding the Fourth Proportional to 215,683.88, 297,639.68 and 120,188.48

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Solution

The fourth proportional to 215,683.88, 297,639.68 and 120,188.48 is: 165,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683.88 : 297,639.68 = 120,188.48 : x
  2. Step 2: Convert to fraction form
    215,683.88/297,639.68 = 120,188.48/x
  3. Step 3: Cross multiply
    215,683.88x = 297,639.68 × 120,188.48
  4. Step 4: Simplify right side
    215,683.88x = 35,772,860,726.89
  5. Step 5: Solve for x
    x = 35,772,860,726.89/215,683.88
  6. Step 6: Final answer
    x = 165,857.83

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