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Finding the Fourth Proportional to 112,790.43, 169,170.80 and 53,663.67

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Solution

The fourth proportional to 112,790.43, 169,170.80 and 53,663.67 is: 80,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,790.43 : 169,170.80 = 53,663.67 : x
  2. Step 2: Convert to fraction form
    112,790.43/169,170.80 = 53,663.67/x
  3. Step 3: Cross multiply
    112,790.43x = 169,170.80 × 53,663.67
  4. Step 4: Simplify right side
    112,790.43x = 9,078,325,716.52
  5. Step 5: Solve for x
    x = 9,078,325,716.52/112,790.43
  6. Step 6: Final answer
    x = 80,488.44

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