Home / 168,629.73-253,069.35-79,883.43

Finding the Fourth Proportional to 168,629.73, 253,069.35 and 79,883.43

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Solution

The fourth proportional to 168,629.73, 253,069.35 and 79,883.43 is: 119,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,629.73 : 253,069.35 = 79,883.43 : x
  2. Step 2: Convert to fraction form
    168,629.73/253,069.35 = 79,883.43/x
  3. Step 3: Cross multiply
    168,629.73x = 253,069.35 × 79,883.43
  4. Step 4: Simplify right side
    168,629.73x = 20,216,047,705.87
  5. Step 5: Solve for x
    x = 20,216,047,705.87/168,629.73
  6. Step 6: Final answer
    x = 119,884.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.