Home / 212,890.92-293,785.38-117,406.44

Finding the Fourth Proportional to 212,890.92, 293,785.38 and 117,406.44

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Solution

The fourth proportional to 212,890.92, 293,785.38 and 117,406.44 is: 162,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,890.92 : 293,785.38 = 117,406.44 : x
  2. Step 2: Convert to fraction form
    212,890.92/293,785.38 = 117,406.44/x
  3. Step 3: Cross multiply
    212,890.92x = 293,785.38 × 117,406.44
  4. Step 4: Simplify right side
    212,890.92x = 34,492,295,589.85
  5. Step 5: Solve for x
    x = 34,492,295,589.85/212,890.92
  6. Step 6: Final answer
    x = 162,018.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.