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Finding the Fourth Proportional to 113,668.36, 170,449.92 and 42,538.24

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Solution

The fourth proportional to 113,668.36, 170,449.92 and 42,538.24 is: 63,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,668.36 : 170,449.92 = 42,538.24 : x
  2. Step 2: Convert to fraction form
    113,668.36/170,449.92 = 42,538.24/x
  3. Step 3: Cross multiply
    113,668.36x = 170,449.92 × 42,538.24
  4. Step 4: Simplify right side
    113,668.36x = 7,250,639,818.00
  5. Step 5: Solve for x
    x = 7,250,639,818.00/113,668.36
  6. Step 6: Final answer
    x = 63,787.67

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