Home / 126,984.95-190,310.29-70,851.47

Finding the Fourth Proportional to 126,984.95, 190,310.29 and 70,851.47

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Solution

The fourth proportional to 126,984.95, 190,310.29 and 70,851.47 is: 106,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984.95 : 190,310.29 = 70,851.47 : x
  2. Step 2: Convert to fraction form
    126,984.95/190,310.29 = 70,851.47/x
  3. Step 3: Cross multiply
    126,984.95x = 190,310.29 × 70,851.47
  4. Step 4: Simplify right side
    126,984.95x = 13,483,764,101.27
  5. Step 5: Solve for x
    x = 13,483,764,101.27/126,984.95
  6. Step 6: Final answer
    x = 106,183.96

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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.