Home / 150,488.45-207,676.40-82,511.63

Finding the Fourth Proportional to 150,488.45, 207,676.40 and 82,511.63

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Solution

The fourth proportional to 150,488.45, 207,676.40 and 82,511.63 is: 113,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,488.45 : 207,676.40 = 82,511.63 : x
  2. Step 2: Convert to fraction form
    150,488.45/207,676.40 = 82,511.63/x
  3. Step 3: Cross multiply
    150,488.45x = 207,676.40 × 82,511.63
  4. Step 4: Simplify right side
    150,488.45x = 17,135,716,825.59
  5. Step 5: Solve for x
    x = 17,135,716,825.59/150,488.45
  6. Step 6: Final answer
    x = 113,867.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.