Home / 126,810.40-190,201.20-33,325.60

Finding the Fourth Proportional to 126,810.40, 190,201.20 and 33,325.60

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Solution

The fourth proportional to 126,810.40, 190,201.20 and 33,325.60 is: 49,984.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.40 : 190,201.20 = 33,325.60 : x
  2. Step 2: Convert to fraction form
    126,810.40/190,201.20 = 33,325.60/x
  3. Step 3: Cross multiply
    126,810.40x = 190,201.20 × 33,325.60
  4. Step 4: Simplify right side
    126,810.40x = 6,338,569,110.72
  5. Step 5: Solve for x
    x = 6,338,569,110.72/126,810.40
  6. Step 6: Final answer
    x = 49,984.62

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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.