Home / 126,739.22-190,040.64-50,799.66

Finding the Fourth Proportional to 126,739.22, 190,040.64 and 50,799.66

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Solution

The fourth proportional to 126,739.22, 190,040.64 and 50,799.66 is: 76,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,739.22 : 190,040.64 = 50,799.66 : x
  2. Step 2: Convert to fraction form
    126,739.22/190,040.64 = 50,799.66/x
  3. Step 3: Cross multiply
    126,739.22x = 190,040.64 × 50,799.66
  4. Step 4: Simplify right side
    126,739.22x = 9,653,999,898.18
  5. Step 5: Solve for x
    x = 9,653,999,898.18/126,739.22
  6. Step 6: Final answer
    x = 76,172.16

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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.