Home / 254,167.26-381,120.72-134,288.58

Finding the Fourth Proportional to 254,167.26, 381,120.72 and 134,288.58

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Solution

The fourth proportional to 254,167.26, 381,120.72 and 134,288.58 is: 201,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,167.26 : 381,120.72 = 134,288.58 : x
  2. Step 2: Convert to fraction form
    254,167.26/381,120.72 = 134,288.58/x
  3. Step 3: Cross multiply
    254,167.26x = 381,120.72 × 134,288.58
  4. Step 4: Simplify right side
    254,167.26x = 51,180,160,297.38
  5. Step 5: Solve for x
    x = 51,180,160,297.38/254,167.26
  6. Step 6: Final answer
    x = 201,364.10

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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.