Home / 109,519.48-164,279.38-26,413.48

Finding the Fourth Proportional to 109,519.48, 164,279.38 and 26,413.48

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Solution

The fourth proportional to 109,519.48, 164,279.38 and 26,413.48 is: 39,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,519.48 : 164,279.38 = 26,413.48 : x
  2. Step 2: Convert to fraction form
    109,519.48/164,279.38 = 26,413.48/x
  3. Step 3: Cross multiply
    109,519.48x = 164,279.38 × 26,413.48
  4. Step 4: Simplify right side
    109,519.48x = 4,339,190,118.04
  5. Step 5: Solve for x
    x = 4,339,190,118.04/109,519.48
  6. Step 6: Final answer
    x = 39,620.26

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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.