Home / 125,890.46-188,865.03-41,647.22

Finding the Fourth Proportional to 125,890.46, 188,865.03 and 41,647.22

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Solution

The fourth proportional to 125,890.46, 188,865.03 and 41,647.22 is: 62,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,890.46 : 188,865.03 = 41,647.22 : x
  2. Step 2: Convert to fraction form
    125,890.46/188,865.03 = 41,647.22/x
  3. Step 3: Cross multiply
    125,890.46x = 188,865.03 × 41,647.22
  4. Step 4: Simplify right side
    125,890.46x = 7,865,703,454.72
  5. Step 5: Solve for x
    x = 7,865,703,454.72/125,890.46
  6. Step 6: Final answer
    x = 62,480.54

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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.