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Finding the Fourth Proportional to 153,962.60, 231,020.70 and 87,453.80

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Solution

The fourth proportional to 153,962.60, 231,020.70 and 87,453.80 is: 131,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,962.60 : 231,020.70 = 87,453.80 : x
  2. Step 2: Convert to fraction form
    153,962.60/231,020.70 = 87,453.80/x
  3. Step 3: Cross multiply
    153,962.60x = 231,020.70 × 87,453.80
  4. Step 4: Simplify right side
    153,962.60x = 20,203,638,093.66
  5. Step 5: Solve for x
    x = 20,203,638,093.66/153,962.60
  6. Step 6: Final answer
    x = 131,224.32

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