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Finding the Fourth Proportional to 112,418.65, 168,711.14 and 53,254.45

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Solution

The fourth proportional to 112,418.65, 168,711.14 and 53,254.45 is: 79,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,418.65 : 168,711.14 = 53,254.45 : x
  2. Step 2: Convert to fraction form
    112,418.65/168,711.14 = 53,254.45/x
  3. Step 3: Cross multiply
    112,418.65x = 168,711.14 × 53,254.45
  4. Step 4: Simplify right side
    112,418.65x = 8,984,618,969.57
  5. Step 5: Solve for x
    x = 8,984,618,969.57/112,418.65
  6. Step 6: Final answer
    x = 79,921.07

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