Home / 200,676.57-301,031.24-100,785.39

Finding the Fourth Proportional to 200,676.57, 301,031.24 and 100,785.39

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Solution

The fourth proportional to 200,676.57, 301,031.24 and 100,785.39 is: 151,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,676.57 : 301,031.24 = 100,785.39 : x
  2. Step 2: Convert to fraction form
    200,676.57/301,031.24 = 100,785.39/x
  3. Step 3: Cross multiply
    200,676.57x = 301,031.24 × 100,785.39
  4. Step 4: Simplify right side
    200,676.57x = 30,339,550,421.66
  5. Step 5: Solve for x
    x = 30,339,550,421.66/200,676.57
  6. Step 6: Final answer
    x = 151,186.31

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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.