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Finding the Fourth Proportional to 157,422.80, 236,134.20 and 52,245.20

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Solution

The fourth proportional to 157,422.80, 236,134.20 and 52,245.20 is: 78,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,422.80 : 236,134.20 = 52,245.20 : x
  2. Step 2: Convert to fraction form
    157,422.80/236,134.20 = 52,245.20/x
  3. Step 3: Cross multiply
    157,422.80x = 236,134.20 × 52,245.20
  4. Step 4: Simplify right side
    157,422.80x = 12,336,878,505.84
  5. Step 5: Solve for x
    x = 12,336,878,505.84/157,422.80
  6. Step 6: Final answer
    x = 78,367.80

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