Home / 104,884.38-144,735.30-57,134.88

Finding the Fourth Proportional to 104,884.38, 144,735.30 and 57,134.88

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Solution

The fourth proportional to 104,884.38, 144,735.30 and 57,134.88 is: 78,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,884.38 : 144,735.30 = 57,134.88 : x
  2. Step 2: Convert to fraction form
    104,884.38/144,735.30 = 57,134.88/x
  3. Step 3: Cross multiply
    104,884.38x = 144,735.30 × 57,134.88
  4. Step 4: Simplify right side
    104,884.38x = 8,269,433,997.26
  5. Step 5: Solve for x
    x = 8,269,433,997.26/104,884.38
  6. Step 6: Final answer
    x = 78,843.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.