Home / 127,906.20-191,749.90-49,077

Finding the Fourth Proportional to 127,906.20, 191,749.90 and 49,077

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Solution

The fourth proportional to 127,906.20, 191,749.90 and 49,077 is: 73,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,906.20 : 191,749.90 = 49,077 : x
  2. Step 2: Convert to fraction form
    127,906.20/191,749.90 = 49,077/x
  3. Step 3: Cross multiply
    127,906.20x = 191,749.90 × 49,077
  4. Step 4: Simplify right side
    127,906.20x = 9,410,509,842.30
  5. Step 5: Solve for x
    x = 9,410,509,842.30/127,906.20
  6. Step 6: Final answer
    x = 73,573.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.