Home / 146,852.20-220,019.10-120,413.80

Finding the Fourth Proportional to 146,852.20, 220,019.10 and 120,413.80

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Solution

The fourth proportional to 146,852.20, 220,019.10 and 120,413.80 is: 180,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,852.20 : 220,019.10 = 120,413.80 : x
  2. Step 2: Convert to fraction form
    146,852.20/220,019.10 = 120,413.80/x
  3. Step 3: Cross multiply
    146,852.20x = 220,019.10 × 120,413.80
  4. Step 4: Simplify right side
    146,852.20x = 26,493,335,903.58
  5. Step 5: Solve for x
    x = 26,493,335,903.58/146,852.20
  6. Step 6: Final answer
    x = 180,408.16

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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.