Home / 237,939.70-356,942.37-138,146.89

Finding the Fourth Proportional to 237,939.70, 356,942.37 and 138,146.89

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Solution

The fourth proportional to 237,939.70, 356,942.37 and 138,146.89 is: 207,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,939.70 : 356,942.37 = 138,146.89 : x
  2. Step 2: Convert to fraction form
    237,939.70/356,942.37 = 138,146.89/x
  3. Step 3: Cross multiply
    237,939.70x = 356,942.37 × 138,146.89
  4. Step 4: Simplify right side
    237,939.70x = 49,310,478,324.73
  5. Step 5: Solve for x
    x = 49,310,478,324.73/237,939.70
  6. Step 6: Final answer
    x = 207,239.39

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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.