Home / 198,337.82-273,249.43-137,025.28

Finding the Fourth Proportional to 198,337.82, 273,249.43 and 137,025.28

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Solution

The fourth proportional to 198,337.82, 273,249.43 and 137,025.28 is: 188,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,337.82 : 273,249.43 = 137,025.28 : x
  2. Step 2: Convert to fraction form
    198,337.82/273,249.43 = 137,025.28/x
  3. Step 3: Cross multiply
    198,337.82x = 273,249.43 × 137,025.28
  4. Step 4: Simplify right side
    198,337.82x = 37,442,077,604.22
  5. Step 5: Solve for x
    x = 37,442,077,604.22/198,337.82
  6. Step 6: Final answer
    x = 188,779.31

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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.