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Finding the Fourth Proportional to 112,790.34, 169,170.93 and 53,663.58

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Solution

The fourth proportional to 112,790.34, 169,170.93 and 53,663.58 is: 80,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,790.34 : 169,170.93 = 53,663.58 : x
  2. Step 2: Convert to fraction form
    112,790.34/169,170.93 = 53,663.58/x
  3. Step 3: Cross multiply
    112,790.34x = 169,170.93 × 53,663.58
  4. Step 4: Simplify right side
    112,790.34x = 9,078,317,735.73
  5. Step 5: Solve for x
    x = 9,078,317,735.73/112,790.34
  6. Step 6: Final answer
    x = 80,488.43

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