Home / 136,198.56-204,297.84-42,711.60

Finding the Fourth Proportional to 136,198.56, 204,297.84 and 42,711.60

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Solution

The fourth proportional to 136,198.56, 204,297.84 and 42,711.60 is: 64,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,198.56 : 204,297.84 = 42,711.60 : x
  2. Step 2: Convert to fraction form
    136,198.56/204,297.84 = 42,711.60/x
  3. Step 3: Cross multiply
    136,198.56x = 204,297.84 × 42,711.60
  4. Step 4: Simplify right side
    136,198.56x = 8,725,887,622.94
  5. Step 5: Solve for x
    x = 8,725,887,622.94/136,198.56
  6. Step 6: Final answer
    x = 64,067.40

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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.