Home / 126,883.40-190,310.27-50,978.86

Finding the Fourth Proportional to 126,883.40, 190,310.27 and 50,978.86

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Solution

The fourth proportional to 126,883.40, 190,310.27 and 50,978.86 is: 76,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,883.40 : 190,310.27 = 50,978.86 : x
  2. Step 2: Convert to fraction form
    126,883.40/190,310.27 = 50,978.86/x
  3. Step 3: Cross multiply
    126,883.40x = 190,310.27 × 50,978.86
  4. Step 4: Simplify right side
    126,883.40x = 9,701,799,880.22
  5. Step 5: Solve for x
    x = 9,701,799,880.22/126,883.40
  6. Step 6: Final answer
    x = 76,462.33

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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.