Home / 212,243.35-318,324.37-82,412.14

Finding the Fourth Proportional to 212,243.35, 318,324.37 and 82,412.14

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Solution

The fourth proportional to 212,243.35, 318,324.37 and 82,412.14 is: 123,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,243.35 : 318,324.37 = 82,412.14 : x
  2. Step 2: Convert to fraction form
    212,243.35/318,324.37 = 82,412.14/x
  3. Step 3: Cross multiply
    212,243.35x = 318,324.37 × 82,412.14
  4. Step 4: Simplify right side
    212,243.35x = 26,233,792,545.85
  5. Step 5: Solve for x
    x = 26,233,792,545.85/212,243.35
  6. Step 6: Final answer
    x = 123,602.42

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1.5x scale

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.