Home / 197,648.42-272,755.26-107,005.34

Finding the Fourth Proportional to 197,648.42, 272,755.26 and 107,005.34

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Solution

The fourth proportional to 197,648.42, 272,755.26 and 107,005.34 is: 147,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,648.42 : 272,755.26 = 107,005.34 : x
  2. Step 2: Convert to fraction form
    197,648.42/272,755.26 = 107,005.34/x
  3. Step 3: Cross multiply
    197,648.42x = 272,755.26 × 107,005.34
  4. Step 4: Simplify right side
    197,648.42x = 29,186,269,333.09
  5. Step 5: Solve for x
    x = 29,186,269,333.09/197,648.42
  6. Step 6: Final answer
    x = 147,667.61

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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.