Home / 212,413.24-318,094.26-123,396.76

Finding the Fourth Proportional to 212,413.24, 318,094.26 and 123,396.76

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Solution

The fourth proportional to 212,413.24, 318,094.26 and 123,396.76 is: 184,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,413.24 : 318,094.26 = 123,396.76 : x
  2. Step 2: Convert to fraction form
    212,413.24/318,094.26 = 123,396.76/x
  3. Step 3: Cross multiply
    212,413.24x = 318,094.26 × 123,396.76
  4. Step 4: Simplify right side
    212,413.24x = 39,251,801,058.60
  5. Step 5: Solve for x
    x = 39,251,801,058.60/212,413.24
  6. Step 6: Final answer
    x = 184,789.80

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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.