Home / 138,782.35-208,172.85-33,601.33

Finding the Fourth Proportional to 138,782.35, 208,172.85 and 33,601.33

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Solution

The fourth proportional to 138,782.35, 208,172.85 and 33,601.33 is: 50,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,782.35 : 208,172.85 = 33,601.33 : x
  2. Step 2: Convert to fraction form
    138,782.35/208,172.85 = 33,601.33/x
  3. Step 3: Cross multiply
    138,782.35x = 208,172.85 × 33,601.33
  4. Step 4: Simplify right side
    138,782.35x = 6,994,884,629.89
  5. Step 5: Solve for x
    x = 6,994,884,629.89/138,782.35
  6. Step 6: Final answer
    x = 50,401.83

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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.