Home / 126,917.06-190,360.74-51,012.56

Finding the Fourth Proportional to 126,917.06, 190,360.74 and 51,012.56

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Solution

The fourth proportional to 126,917.06, 190,360.74 and 51,012.56 is: 76,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,917.06 : 190,360.74 = 51,012.56 : x
  2. Step 2: Convert to fraction form
    126,917.06/190,360.74 = 51,012.56/x
  3. Step 3: Cross multiply
    126,917.06x = 190,360.74 × 51,012.56
  4. Step 4: Simplify right side
    126,917.06x = 9,710,788,670.89
  5. Step 5: Solve for x
    x = 9,710,788,670.89/126,917.06
  6. Step 6: Final answer
    x = 76,512.87

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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.