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Finding the Fourth Proportional to 84,240.42, 116,203.05 and 54,432.42

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Solution

The fourth proportional to 84,240.42, 116,203.05 and 54,432.42 is: 75,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,240.42 : 116,203.05 = 54,432.42 : x
  2. Step 2: Convert to fraction form
    84,240.42/116,203.05 = 54,432.42/x
  3. Step 3: Cross multiply
    84,240.42x = 116,203.05 × 54,432.42
  4. Step 4: Simplify right side
    84,240.42x = 6,325,213,222.88
  5. Step 5: Solve for x
    x = 6,325,213,222.88/84,240.42
  6. Step 6: Final answer
    x = 75,085.25

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