Home / 197,556.97-272,627.55-106,912.90

Finding the Fourth Proportional to 197,556.97, 272,627.55 and 106,912.90

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Solution

The fourth proportional to 197,556.97, 272,627.55 and 106,912.90 is: 147,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,556.97 : 272,627.55 = 106,912.90 : x
  2. Step 2: Convert to fraction form
    197,556.97/272,627.55 = 106,912.90/x
  3. Step 3: Cross multiply
    197,556.97x = 272,627.55 × 106,912.90
  4. Step 4: Simplify right side
    197,556.97x = 29,147,401,990.40
  5. Step 5: Solve for x
    x = 29,147,401,990.40/197,556.97
  6. Step 6: Final answer
    x = 147,539.22

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1.5x scale

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.