Home / 227,143.43-340,338.49-138,127.67

Finding the Fourth Proportional to 227,143.43, 340,338.49 and 138,127.67

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Solution

The fourth proportional to 227,143.43, 340,338.49 and 138,127.67 is: 206,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,143.43 : 340,338.49 = 138,127.67 : x
  2. Step 2: Convert to fraction form
    227,143.43/340,338.49 = 138,127.67/x
  3. Step 3: Cross multiply
    227,143.43x = 340,338.49 × 138,127.67
  4. Step 4: Simplify right side
    227,143.43x = 47,010,162,635.02
  5. Step 5: Solve for x
    x = 47,010,162,635.02/227,143.43
  6. Step 6: Final answer
    x = 206,962.46

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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.