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Finding the Fourth Proportional to 165,431.55, 228,113.18 and 114,355.61

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Solution

The fourth proportional to 165,431.55, 228,113.18 and 114,355.61 is: 157,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,431.55 : 228,113.18 = 114,355.61 : x
  2. Step 2: Convert to fraction form
    165,431.55/228,113.18 = 114,355.61/x
  3. Step 3: Cross multiply
    165,431.55x = 228,113.18 × 114,355.61
  4. Step 4: Simplify right side
    165,431.55x = 26,086,020,135.60
  5. Step 5: Solve for x
    x = 26,086,020,135.60/165,431.55
  6. Step 6: Final answer
    x = 157,684.67

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