Home / 756,760.62-1,135,108.12-188,129.82

Finding the Fourth Proportional to 756,760.62, 1,135,108.12 and 188,129.82

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Solution

The fourth proportional to 756,760.62, 1,135,108.12 and 188,129.82 is: 282,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,760.62 : 1,135,108.12 = 188,129.82 : x
  2. Step 2: Convert to fraction form
    756,760.62/1,135,108.12 = 188,129.82/x
  3. Step 3: Cross multiply
    756,760.62x = 1,135,108.12 × 188,129.82
  4. Step 4: Simplify right side
    756,760.62x = 213,547,686,296.14
  5. Step 5: Solve for x
    x = 213,547,686,296.14/756,760.62
  6. Step 6: Final answer
    x = 282,186.57

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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.