Home / 90,190.48-135,317.92-40,266.13

Finding the Fourth Proportional to 90,190.48, 135,317.92 and 40,266.13

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Solution

The fourth proportional to 90,190.48, 135,317.92 and 40,266.13 is: 60,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,190.48 : 135,317.92 = 40,266.13 : x
  2. Step 2: Convert to fraction form
    90,190.48/135,317.92 = 40,266.13/x
  3. Step 3: Cross multiply
    90,190.48x = 135,317.92 × 40,266.13
  4. Step 4: Simplify right side
    90,190.48x = 5,448,728,958.05
  5. Step 5: Solve for x
    x = 5,448,728,958.05/90,190.48
  6. Step 6: Final answer
    x = 60,413.57

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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.