Home / 197,983.09-273,215.80-107,338.77

Finding the Fourth Proportional to 197,983.09, 273,215.80 and 107,338.77

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Solution

The fourth proportional to 197,983.09, 273,215.80 and 107,338.77 is: 148,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,983.09 : 273,215.80 = 107,338.77 : x
  2. Step 2: Convert to fraction form
    197,983.09/273,215.80 = 107,338.77/x
  3. Step 3: Cross multiply
    197,983.09x = 273,215.80 × 107,338.77
  4. Step 4: Simplify right side
    197,983.09x = 29,326,647,597.90
  5. Step 5: Solve for x
    x = 29,326,647,597.90/197,983.09
  6. Step 6: Final answer
    x = 148,127.04

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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.