Home / 125,454.72-188,285.76-51,634.56

Finding the Fourth Proportional to 125,454.72, 188,285.76 and 51,634.56

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Solution

The fourth proportional to 125,454.72, 188,285.76 and 51,634.56 is: 77,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,454.72 : 188,285.76 = 51,634.56 : x
  2. Step 2: Convert to fraction form
    125,454.72/188,285.76 = 51,634.56/x
  3. Step 3: Cross multiply
    125,454.72x = 188,285.76 × 51,634.56
  4. Step 4: Simplify right side
    125,454.72x = 9,722,052,371.87
  5. Step 5: Solve for x
    x = 9,722,052,371.87/125,454.72
  6. Step 6: Final answer
    x = 77,494.51

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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.