Home / 212,917.08-319,321.14-63,122.34

Finding the Fourth Proportional to 212,917.08, 319,321.14 and 63,122.34

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Solution

The fourth proportional to 212,917.08, 319,321.14 and 63,122.34 is: 94,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,917.08 : 319,321.14 = 63,122.34 : x
  2. Step 2: Convert to fraction form
    212,917.08/319,321.14 = 63,122.34/x
  3. Step 3: Cross multiply
    212,917.08x = 319,321.14 × 63,122.34
  4. Step 4: Simplify right side
    212,917.08x = 20,156,297,568.27
  5. Step 5: Solve for x
    x = 20,156,297,568.27/212,917.08
  6. Step 6: Final answer
    x = 94,667.36

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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.