Home / 197,268.12-272,213.78-111,222.42

Finding the Fourth Proportional to 197,268.12, 272,213.78 and 111,222.42

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Solution

The fourth proportional to 197,268.12, 272,213.78 and 111,222.42 is: 153,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,268.12 : 272,213.78 = 111,222.42 : x
  2. Step 2: Convert to fraction form
    197,268.12/272,213.78 = 111,222.42/x
  3. Step 3: Cross multiply
    197,268.12x = 272,213.78 × 111,222.42
  4. Step 4: Simplify right side
    197,268.12x = 30,276,274,812.84
  5. Step 5: Solve for x
    x = 30,276,274,812.84/197,268.12
  6. Step 6: Final answer
    x = 153,477.79

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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.