Home / 756,756.12-1,135,101.38-188,125.32

Finding the Fourth Proportional to 756,756.12, 1,135,101.38 and 188,125.32

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Solution

The fourth proportional to 756,756.12, 1,135,101.38 and 188,125.32 is: 282,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,756.12 : 1,135,101.38 = 188,125.32 : x
  2. Step 2: Convert to fraction form
    756,756.12/1,135,101.38 = 188,125.32/x
  3. Step 3: Cross multiply
    756,756.12x = 1,135,101.38 × 188,125.32
  4. Step 4: Simplify right side
    756,756.12x = 213,541,309,404.32
  5. Step 5: Solve for x
    x = 213,541,309,404.32/756,756.12
  6. Step 6: Final answer
    x = 282,179.82

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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.