Home / 146,033.40-201,447.97-100,733.80

Finding the Fourth Proportional to 146,033.40, 201,447.97 and 100,733.80

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Solution

The fourth proportional to 146,033.40, 201,447.97 and 100,733.80 is: 138,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,033.40 : 201,447.97 = 100,733.80 : x
  2. Step 2: Convert to fraction form
    146,033.40/201,447.97 = 100,733.80/x
  3. Step 3: Cross multiply
    146,033.40x = 201,447.97 × 100,733.80
  4. Step 4: Simplify right side
    146,033.40x = 20,292,619,520.39
  5. Step 5: Solve for x
    x = 20,292,619,520.39/146,033.40
  6. Step 6: Final answer
    x = 138,958.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.