Home / 237,938.70-356,940.87-138,145.89

Finding the Fourth Proportional to 237,938.70, 356,940.87 and 138,145.89

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Solution

The fourth proportional to 237,938.70, 356,940.87 and 138,145.89 is: 207,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,938.70 : 356,940.87 = 138,145.89 : x
  2. Step 2: Convert to fraction form
    237,938.70/356,940.87 = 138,145.89/x
  3. Step 3: Cross multiply
    237,938.70x = 356,940.87 × 138,145.89
  4. Step 4: Simplify right side
    237,938.70x = 49,309,914,163.52
  5. Step 5: Solve for x
    x = 49,309,914,163.52/237,938.70
  6. Step 6: Final answer
    x = 207,237.89

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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.