Home / 212,040.68-317,604.29-99,552.33

Finding the Fourth Proportional to 212,040.68, 317,604.29 and 99,552.33

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Solution

The fourth proportional to 212,040.68, 317,604.29 and 99,552.33 is: 149,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,040.68 : 317,604.29 = 99,552.33 : x
  2. Step 2: Convert to fraction form
    212,040.68/317,604.29 = 99,552.33/x
  3. Step 3: Cross multiply
    212,040.68x = 317,604.29 × 99,552.33
  4. Step 4: Simplify right side
    212,040.68x = 31,618,246,589.73
  5. Step 5: Solve for x
    x = 31,618,246,589.73/212,040.68
  6. Step 6: Final answer
    x = 149,114.06

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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.