Home / 197,670.77-272,786.30-107,027.72

Finding the Fourth Proportional to 197,670.77, 272,786.30 and 107,027.72

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Solution

The fourth proportional to 197,670.77, 272,786.30 and 107,027.72 is: 147,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,670.77 : 272,786.30 = 107,027.72 : x
  2. Step 2: Convert to fraction form
    197,670.77/272,786.30 = 107,027.72/x
  3. Step 3: Cross multiply
    197,670.77x = 272,786.30 × 107,027.72
  4. Step 4: Simplify right side
    197,670.77x = 29,195,693,837.17
  5. Step 5: Solve for x
    x = 29,195,693,837.17/197,670.77
  6. Step 6: Final answer
    x = 147,698.59

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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.