Home / 218,605.24-301,676.26-123,113.56

Finding the Fourth Proportional to 218,605.24, 301,676.26 and 123,113.56

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Solution

The fourth proportional to 218,605.24, 301,676.26 and 123,113.56 is: 169,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,605.24 : 301,676.26 = 123,113.56 : x
  2. Step 2: Convert to fraction form
    218,605.24/301,676.26 = 123,113.56/x
  3. Step 3: Cross multiply
    218,605.24x = 301,676.26 × 123,113.56
  4. Step 4: Simplify right side
    218,605.24x = 37,140,438,336.09
  5. Step 5: Solve for x
    x = 37,140,438,336.09/218,605.24
  6. Step 6: Final answer
    x = 169,897.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.