Home / 145,344.33-218,016.60-40,163.40

Finding the Fourth Proportional to 145,344.33, 218,016.60 and 40,163.40

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Solution

The fourth proportional to 145,344.33, 218,016.60 and 40,163.40 is: 60,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,344.33 : 218,016.60 = 40,163.40 : x
  2. Step 2: Convert to fraction form
    145,344.33/218,016.60 = 40,163.40/x
  3. Step 3: Cross multiply
    145,344.33x = 218,016.60 × 40,163.40
  4. Step 4: Simplify right side
    145,344.33x = 8,756,287,912.44
  5. Step 5: Solve for x
    x = 8,756,287,912.44/145,344.33
  6. Step 6: Final answer
    x = 60,245.13

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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.