Home / 122,959.20-184,413.60-34,190.40

Finding the Fourth Proportional to 122,959.20, 184,413.60 and 34,190.40

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Solution

The fourth proportional to 122,959.20, 184,413.60 and 34,190.40 is: 51,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,959.20 : 184,413.60 = 34,190.40 : x
  2. Step 2: Convert to fraction form
    122,959.20/184,413.60 = 34,190.40/x
  3. Step 3: Cross multiply
    122,959.20x = 184,413.60 × 34,190.40
  4. Step 4: Simplify right side
    122,959.20x = 6,305,174,749.44
  5. Step 5: Solve for x
    x = 6,305,174,749.44/122,959.20
  6. Step 6: Final answer
    x = 51,278.59

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1.5x scale

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.