Home / 230,142.63-345,226.24-72,383.38

Finding the Fourth Proportional to 230,142.63, 345,226.24 and 72,383.38

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Solution

The fourth proportional to 230,142.63, 345,226.24 and 72,383.38 is: 108,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,142.63 : 345,226.24 = 72,383.38 : x
  2. Step 2: Convert to fraction form
    230,142.63/345,226.24 = 72,383.38/x
  3. Step 3: Cross multiply
    230,142.63x = 345,226.24 × 72,383.38
  4. Step 4: Simplify right side
    230,142.63x = 24,988,642,115.89
  5. Step 5: Solve for x
    x = 24,988,642,115.89/230,142.63
  6. Step 6: Final answer
    x = 108,578.94

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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.