Home / 197,854.07-273,052.47-111,821

Finding the Fourth Proportional to 197,854.07, 273,052.47 and 111,821

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Solution

The fourth proportional to 197,854.07, 273,052.47 and 111,821 is: 154,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,854.07 : 273,052.47 = 111,821 : x
  2. Step 2: Convert to fraction form
    197,854.07/273,052.47 = 111,821/x
  3. Step 3: Cross multiply
    197,854.07x = 273,052.47 × 111,821
  4. Step 4: Simplify right side
    197,854.07x = 30,533,000,247.87
  5. Step 5: Solve for x
    x = 30,533,000,247.87/197,854.07
  6. Step 6: Final answer
    x = 154,320.81

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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.