Home / 212,694.36-318,740.82-117,966.27

Finding the Fourth Proportional to 212,694.36, 318,740.82 and 117,966.27

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Solution

The fourth proportional to 212,694.36, 318,740.82 and 117,966.27 is: 176,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,694.36 : 318,740.82 = 117,966.27 : x
  2. Step 2: Convert to fraction form
    212,694.36/318,740.82 = 117,966.27/x
  3. Step 3: Cross multiply
    212,694.36x = 318,740.82 × 117,966.27
  4. Step 4: Simplify right side
    212,694.36x = 37,600,667,048.61
  5. Step 5: Solve for x
    x = 37,600,667,048.61/212,694.36
  6. Step 6: Final answer
    x = 176,782.63

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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.