Home / 212,716.94-319,134.60-92,784.38

Finding the Fourth Proportional to 212,716.94, 319,134.60 and 92,784.38

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Solution

The fourth proportional to 212,716.94, 319,134.60 and 92,784.38 is: 139,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,716.94 : 319,134.60 = 92,784.38 : x
  2. Step 2: Convert to fraction form
    212,716.94/319,134.60 = 92,784.38/x
  3. Step 3: Cross multiply
    212,716.94x = 319,134.60 × 92,784.38
  4. Step 4: Simplify right side
    212,716.94x = 29,610,704,401.88
  5. Step 5: Solve for x
    x = 29,610,704,401.88/212,716.94
  6. Step 6: Final answer
    x = 139,202.38

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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.