Home / 197,659.78-272,767.19-107,015.01

Finding the Fourth Proportional to 197,659.78, 272,767.19 and 107,015.01

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Solution

The fourth proportional to 197,659.78, 272,767.19 and 107,015.01 is: 147,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,659.78 : 272,767.19 = 107,015.01 : x
  2. Step 2: Convert to fraction form
    197,659.78/272,767.19 = 107,015.01/x
  3. Step 3: Cross multiply
    197,659.78x = 272,767.19 × 107,015.01
  4. Step 4: Simplify right side
    197,659.78x = 29,190,183,297.98
  5. Step 5: Solve for x
    x = 29,190,183,297.98/197,659.78
  6. Step 6: Final answer
    x = 147,678.92

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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.