Home / 125,893.07-188,645.73-58,383.56

Finding the Fourth Proportional to 125,893.07, 188,645.73 and 58,383.56

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Solution

The fourth proportional to 125,893.07, 188,645.73 and 58,383.56 is: 87,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,893.07 : 188,645.73 = 58,383.56 : x
  2. Step 2: Convert to fraction form
    125,893.07/188,645.73 = 58,383.56/x
  3. Step 3: Cross multiply
    125,893.07x = 188,645.73 × 58,383.56
  4. Step 4: Simplify right side
    125,893.07x = 11,013,809,548.87
  5. Step 5: Solve for x
    x = 11,013,809,548.87/125,893.07
  6. Step 6: Final answer
    x = 87,485.43

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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.