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Finding the Fourth Proportional to 132,758.87, 199,175.21 and 57,885.56

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Solution

The fourth proportional to 132,758.87, 199,175.21 and 57,885.56 is: 86,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,758.87 : 199,175.21 = 57,885.56 : x
  2. Step 2: Convert to fraction form
    132,758.87/199,175.21 = 57,885.56/x
  3. Step 3: Cross multiply
    132,758.87x = 199,175.21 × 57,885.56
  4. Step 4: Simplify right side
    132,758.87x = 11,529,368,568.97
  5. Step 5: Solve for x
    x = 11,529,368,568.97/132,758.87
  6. Step 6: Final answer
    x = 86,844.43

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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.