Home / 254,013.39-381,195.06-87,801.39

Finding the Fourth Proportional to 254,013.39, 381,195.06 and 87,801.39

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Solution

The fourth proportional to 254,013.39, 381,195.06 and 87,801.39 is: 131,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,013.39 : 381,195.06 = 87,801.39 : x
  2. Step 2: Convert to fraction form
    254,013.39/381,195.06 = 87,801.39/x
  3. Step 3: Cross multiply
    254,013.39x = 381,195.06 × 87,801.39
  4. Step 4: Simplify right side
    254,013.39x = 33,469,456,129.13
  5. Step 5: Solve for x
    x = 33,469,456,129.13/254,013.39
  6. Step 6: Final answer
    x = 131,762.57

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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.