Home / 126,809.90-190,200.45-33,325.10

Finding the Fourth Proportional to 126,809.90, 190,200.45 and 33,325.10

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Solution

The fourth proportional to 126,809.90, 190,200.45 and 33,325.10 is: 49,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.90 : 190,200.45 = 33,325.10 : x
  2. Step 2: Convert to fraction form
    126,809.90/190,200.45 = 33,325.10/x
  3. Step 3: Cross multiply
    126,809.90x = 190,200.45 × 33,325.10
  4. Step 4: Simplify right side
    126,809.90x = 6,338,449,016.30
  5. Step 5: Solve for x
    x = 6,338,449,016.30/126,809.90
  6. Step 6: Final answer
    x = 49,983.87

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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.