Home / 170,275.48-255,413.16-79,081.63

Finding the Fourth Proportional to 170,275.48, 255,413.16 and 79,081.63

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Solution

The fourth proportional to 170,275.48, 255,413.16 and 79,081.63 is: 118,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,275.48 : 255,413.16 = 79,081.63 : x
  2. Step 2: Convert to fraction form
    170,275.48/255,413.16 = 79,081.63/x
  3. Step 3: Cross multiply
    170,275.48x = 255,413.16 × 79,081.63
  4. Step 4: Simplify right side
    170,275.48x = 20,198,488,377.72
  5. Step 5: Solve for x
    x = 20,198,488,377.72/170,275.48
  6. Step 6: Final answer
    x = 118,622.42

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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.