Home / 147,413.20-220,463.70-123,793.60

Finding the Fourth Proportional to 147,413.20, 220,463.70 and 123,793.60

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Solution

The fourth proportional to 147,413.20, 220,463.70 and 123,793.60 is: 185,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,413.20 : 220,463.70 = 123,793.60 : x
  2. Step 2: Convert to fraction form
    147,413.20/220,463.70 = 123,793.60/x
  3. Step 3: Cross multiply
    147,413.20x = 220,463.70 × 123,793.60
  4. Step 4: Simplify right side
    147,413.20x = 27,291,995,092.32
  5. Step 5: Solve for x
    x = 27,291,995,092.32/147,413.20
  6. Step 6: Final answer
    x = 185,139.43

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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.