Home / 197,449.88-272,480.81-111,427.07

Finding the Fourth Proportional to 197,449.88, 272,480.81 and 111,427.07

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Solution

The fourth proportional to 197,449.88, 272,480.81 and 111,427.07 is: 153,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,449.88 : 272,480.81 = 111,427.07 : x
  2. Step 2: Convert to fraction form
    197,449.88/272,480.81 = 111,427.07/x
  3. Step 3: Cross multiply
    197,449.88x = 272,480.81 × 111,427.07
  4. Step 4: Simplify right side
    197,449.88x = 30,361,736,369.99
  5. Step 5: Solve for x
    x = 30,361,736,369.99/197,449.88
  6. Step 6: Final answer
    x = 153,769.34

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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.