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Finding the Fourth Proportional to 113,738.14, 170,700.12 and 80,490.22

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Solution

The fourth proportional to 113,738.14, 170,700.12 and 80,490.22 is: 120,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,738.14 : 170,700.12 = 80,490.22 : x
  2. Step 2: Convert to fraction form
    113,738.14/170,700.12 = 80,490.22/x
  3. Step 3: Cross multiply
    113,738.14x = 170,700.12 × 80,490.22
  4. Step 4: Simplify right side
    113,738.14x = 13,739,690,212.83
  5. Step 5: Solve for x
    x = 13,739,690,212.83/113,738.14
  6. Step 6: Final answer
    x = 120,801.08

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