Home / 146,961.06-220,413.90-57,003.60

Finding the Fourth Proportional to 146,961.06, 220,413.90 and 57,003.60

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Solution

The fourth proportional to 146,961.06, 220,413.90 and 57,003.60 is: 85,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,961.06 : 220,413.90 = 57,003.60 : x
  2. Step 2: Convert to fraction form
    146,961.06/220,413.90 = 57,003.60/x
  3. Step 3: Cross multiply
    146,961.06x = 220,413.90 × 57,003.60
  4. Step 4: Simplify right side
    146,961.06x = 12,564,385,790.04
  5. Step 5: Solve for x
    x = 12,564,385,790.04/146,961.06
  6. Step 6: Final answer
    x = 85,494.66

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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.