Home / 197,853.10-273,131.87-112,953.78

Finding the Fourth Proportional to 197,853.10, 273,131.87 and 112,953.78

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Solution

The fourth proportional to 197,853.10, 273,131.87 and 112,953.78 is: 155,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,853.10 : 273,131.87 = 112,953.78 : x
  2. Step 2: Convert to fraction form
    197,853.10/273,131.87 = 112,953.78/x
  3. Step 3: Cross multiply
    197,853.10x = 273,131.87 × 112,953.78
  4. Step 4: Simplify right side
    197,853.10x = 30,851,277,154.97
  5. Step 5: Solve for x
    x = 30,851,277,154.97/197,853.10
  6. Step 6: Final answer
    x = 155,930.22

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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.