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Finding the Fourth Proportional to 113,742.39, 170,475.21 and 80,472.06

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Solution

The fourth proportional to 113,742.39, 170,475.21 and 80,472.06 is: 120,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742.39 : 170,475.21 = 80,472.06 : x
  2. Step 2: Convert to fraction form
    113,742.39/170,475.21 = 80,472.06/x
  3. Step 3: Cross multiply
    113,742.39x = 170,475.21 × 80,472.06
  4. Step 4: Simplify right side
    113,742.39x = 13,718,491,327.63
  5. Step 5: Solve for x
    x = 13,718,491,327.63/113,742.39
  6. Step 6: Final answer
    x = 120,610.19

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