Home / 146,413.20-219,619.80-83,427.60

Finding the Fourth Proportional to 146,413.20, 219,619.80 and 83,427.60

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Solution

The fourth proportional to 146,413.20, 219,619.80 and 83,427.60 is: 125,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,413.20 : 219,619.80 = 83,427.60 : x
  2. Step 2: Convert to fraction form
    146,413.20/219,619.80 = 83,427.60/x
  3. Step 3: Cross multiply
    146,413.20x = 219,619.80 × 83,427.60
  4. Step 4: Simplify right side
    146,413.20x = 18,322,352,826.48
  5. Step 5: Solve for x
    x = 18,322,352,826.48/146,413.20
  6. Step 6: Final answer
    x = 125,141.40

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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.