Home / 198,196.38-273,509.64-107,550.06

Finding the Fourth Proportional to 198,196.38, 273,509.64 and 107,550.06

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Solution

The fourth proportional to 198,196.38, 273,509.64 and 107,550.06 is: 148,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,196.38 : 273,509.64 = 107,550.06 : x
  2. Step 2: Convert to fraction form
    198,196.38/273,509.64 = 107,550.06/x
  3. Step 3: Cross multiply
    198,196.38x = 273,509.64 × 107,550.06
  4. Step 4: Simplify right side
    198,196.38x = 29,415,978,192.58
  5. Step 5: Solve for x
    x = 29,415,978,192.58/198,196.38
  6. Step 6: Final answer
    x = 148,418.34

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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.