Home / 132,923.88-199,405.78-42,936.54

Finding the Fourth Proportional to 132,923.88, 199,405.78 and 42,936.54

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Solution

The fourth proportional to 132,923.88, 199,405.78 and 42,936.54 is: 64,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,923.88 : 199,405.78 = 42,936.54 : x
  2. Step 2: Convert to fraction form
    132,923.88/199,405.78 = 42,936.54/x
  3. Step 3: Cross multiply
    132,923.88x = 199,405.78 × 42,936.54
  4. Step 4: Simplify right side
    132,923.88x = 8,561,794,249.20
  5. Step 5: Solve for x
    x = 8,561,794,249.20/132,923.88
  6. Step 6: Final answer
    x = 64,411.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.