Home / 74,274.30-111,413.07-18,114.80

Finding the Fourth Proportional to 74,274.30, 111,413.07 and 18,114.80

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Solution

The fourth proportional to 74,274.30, 111,413.07 and 18,114.80 is: 27,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.30 : 111,413.07 = 18,114.80 : x
  2. Step 2: Convert to fraction form
    74,274.30/111,413.07 = 18,114.80/x
  3. Step 3: Cross multiply
    74,274.30x = 111,413.07 × 18,114.80
  4. Step 4: Simplify right side
    74,274.30x = 2,018,224,923.37
  5. Step 5: Solve for x
    x = 2,018,224,923.37/74,274.30
  6. Step 6: Final answer
    x = 27,172.59

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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.