Home / 756,739.62-1,135,076.63-188,108.69

Finding the Fourth Proportional to 756,739.62, 1,135,076.63 and 188,108.69

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Solution

The fourth proportional to 756,739.62, 1,135,076.63 and 188,108.69 is: 282,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,739.62 : 1,135,076.63 = 188,108.69 : x
  2. Step 2: Convert to fraction form
    756,739.62/1,135,076.63 = 188,108.69/x
  3. Step 3: Cross multiply
    756,739.62x = 1,135,076.63 × 188,108.69
  4. Step 4: Simplify right side
    756,739.62x = 213,517,771,302.99
  5. Step 5: Solve for x
    x = 213,517,771,302.99/756,739.62
  6. Step 6: Final answer
    x = 282,154.87

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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.