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Finding the Fourth Proportional to 184,421.20, 276,631.80 and 90,914.80

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Solution

The fourth proportional to 184,421.20, 276,631.80 and 90,914.80 is: 136,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,421.20 : 276,631.80 = 90,914.80 : x
  2. Step 2: Convert to fraction form
    184,421.20/276,631.80 = 90,914.80/x
  3. Step 3: Cross multiply
    184,421.20x = 276,631.80 × 90,914.80
  4. Step 4: Simplify right side
    184,421.20x = 25,149,924,770.64
  5. Step 5: Solve for x
    x = 25,149,924,770.64/184,421.20
  6. Step 6: Final answer
    x = 136,372.20

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