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Finding the Fourth Proportional to 179,738, 248,038.44 and 100,250

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Solution

The fourth proportional to 179,738, 248,038.44 and 100,250 is: 138,345

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,738 : 248,038.44 = 100,250 : x
  2. Step 2: Convert to fraction form
    179,738/248,038.44 = 100,250/x
  3. Step 3: Cross multiply
    179,738x = 248,038.44 × 100,250
  4. Step 4: Simplify right side
    179,738x = 24,865,853,610
  5. Step 5: Solve for x
    x = 24,865,853,610/179,738
  6. Step 6: Final answer
    x = 138,345

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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.