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Finding the Fourth Proportional to 165,401.84, 228,319.40 and 117,255.40

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Solution

The fourth proportional to 165,401.84, 228,319.40 and 117,255.40 is: 161,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,401.84 : 228,319.40 = 117,255.40 : x
  2. Step 2: Convert to fraction form
    165,401.84/228,319.40 = 117,255.40/x
  3. Step 3: Cross multiply
    165,401.84x = 228,319.40 × 117,255.40
  4. Step 4: Simplify right side
    165,401.84x = 26,771,682,574.76
  5. Step 5: Solve for x
    x = 26,771,682,574.76/165,401.84
  6. Step 6: Final answer
    x = 161,858.43

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