Home / 170,413.60-255,620.40-45,767.20

Finding the Fourth Proportional to 170,413.60, 255,620.40 and 45,767.20

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Solution

The fourth proportional to 170,413.60, 255,620.40 and 45,767.20 is: 68,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,413.60 : 255,620.40 = 45,767.20 : x
  2. Step 2: Convert to fraction form
    170,413.60/255,620.40 = 45,767.20/x
  3. Step 3: Cross multiply
    170,413.60x = 255,620.40 × 45,767.20
  4. Step 4: Simplify right side
    170,413.60x = 11,699,029,970.88
  5. Step 5: Solve for x
    x = 11,699,029,970.88/170,413.60
  6. Step 6: Final answer
    x = 68,650.80

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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.