Home / 212,674.59-319,057.65-106,115.85

Finding the Fourth Proportional to 212,674.59, 319,057.65 and 106,115.85

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Solution

The fourth proportional to 212,674.59, 319,057.65 and 106,115.85 is: 159,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,674.59 : 319,057.65 = 106,115.85 : x
  2. Step 2: Convert to fraction form
    212,674.59/319,057.65 = 106,115.85/x
  3. Step 3: Cross multiply
    212,674.59x = 319,057.65 × 106,115.85
  4. Step 4: Simplify right side
    212,674.59x = 33,857,073,728.75
  5. Step 5: Solve for x
    x = 33,857,073,728.75/212,674.59
  6. Step 6: Final answer
    x = 159,196.61

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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.