Home / 136,285.48-204,413.84-36,455.75

Finding the Fourth Proportional to 136,285.48, 204,413.84 and 36,455.75

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Solution

The fourth proportional to 136,285.48, 204,413.84 and 36,455.75 is: 54,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,285.48 : 204,413.84 = 36,455.75 : x
  2. Step 2: Convert to fraction form
    136,285.48/204,413.84 = 36,455.75/x
  3. Step 3: Cross multiply
    136,285.48x = 204,413.84 × 36,455.75
  4. Step 4: Simplify right side
    136,285.48x = 7,452,059,847.58
  5. Step 5: Solve for x
    x = 7,452,059,847.58/136,285.48
  6. Step 6: Final answer
    x = 54,679.78

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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.