Home / 126,090.20-174,003.37-68,729.54

Finding the Fourth Proportional to 126,090.20, 174,003.37 and 68,729.54

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Solution

The fourth proportional to 126,090.20, 174,003.37 and 68,729.54 is: 94,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.20 : 174,003.37 = 68,729.54 : x
  2. Step 2: Convert to fraction form
    126,090.20/174,003.37 = 68,729.54/x
  3. Step 3: Cross multiply
    126,090.20x = 174,003.37 × 68,729.54
  4. Step 4: Simplify right side
    126,090.20x = 11,959,170,536.71
  5. Step 5: Solve for x
    x = 11,959,170,536.71/126,090.20
  6. Step 6: Final answer
    x = 94,846.15

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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.