Home / 212,865.42-319,299.36-63,106.94

Finding the Fourth Proportional to 212,865.42, 319,299.36 and 63,106.94

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Solution

The fourth proportional to 212,865.42, 319,299.36 and 63,106.94 is: 94,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,865.42 : 319,299.36 = 63,106.94 : x
  2. Step 2: Convert to fraction form
    212,865.42/319,299.36 = 63,106.94/x
  3. Step 3: Cross multiply
    212,865.42x = 319,299.36 × 63,106.94
  4. Step 4: Simplify right side
    212,865.42x = 20,150,005,553.56
  5. Step 5: Solve for x
    x = 20,150,005,553.56/212,865.42
  6. Step 6: Final answer
    x = 94,660.77

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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.