Home / 197,853.07-273,051.09-111,820

Finding the Fourth Proportional to 197,853.07, 273,051.09 and 111,820

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Solution

The fourth proportional to 197,853.07, 273,051.09 and 111,820 is: 154,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,853.07 : 273,051.09 = 111,820 : x
  2. Step 2: Convert to fraction form
    197,853.07/273,051.09 = 111,820/x
  3. Step 3: Cross multiply
    197,853.07x = 273,051.09 × 111,820
  4. Step 4: Simplify right side
    197,853.07x = 30,532,572,883.80
  5. Step 5: Solve for x
    x = 30,532,572,883.80/197,853.07
  6. Step 6: Final answer
    x = 154,319.43

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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.