Home / 179,930.88-248,071.68-123,240.96

Finding the Fourth Proportional to 179,930.88, 248,071.68 and 123,240.96

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Solution

The fourth proportional to 179,930.88, 248,071.68 and 123,240.96 is: 169,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,930.88 : 248,071.68 = 123,240.96 : x
  2. Step 2: Convert to fraction form
    179,930.88/248,071.68 = 123,240.96/x
  3. Step 3: Cross multiply
    179,930.88x = 248,071.68 × 123,240.96
  4. Step 4: Simplify right side
    179,930.88x = 30,572,591,992.01
  5. Step 5: Solve for x
    x = 30,572,591,992.01/179,930.88
  6. Step 6: Final answer
    x = 169,912.98

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1.5x scale

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.