Home / 126,884.75-190,419.31-102,222.68

Finding the Fourth Proportional to 126,884.75, 190,419.31 and 102,222.68

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Solution

The fourth proportional to 126,884.75, 190,419.31 and 102,222.68 is: 153,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,884.75 : 190,419.31 = 102,222.68 : x
  2. Step 2: Convert to fraction form
    126,884.75/190,419.31 = 102,222.68/x
  3. Step 3: Cross multiply
    126,884.75x = 190,419.31 × 102,222.68
  4. Step 4: Simplify right side
    126,884.75x = 19,465,170,792.63
  5. Step 5: Solve for x
    x = 19,465,170,792.63/126,884.75
  6. Step 6: Final answer
    x = 153,408.28

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1.5x scale

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.