Home / 212,884.72-319,234.34-61,048.30

Finding the Fourth Proportional to 212,884.72, 319,234.34 and 61,048.30

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Solution

The fourth proportional to 212,884.72, 319,234.34 and 61,048.30 is: 91,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,884.72 : 319,234.34 = 61,048.30 : x
  2. Step 2: Convert to fraction form
    212,884.72/319,234.34 = 61,048.30/x
  3. Step 3: Cross multiply
    212,884.72x = 319,234.34 × 61,048.30
  4. Step 4: Simplify right side
    212,884.72x = 19,488,713,758.62
  5. Step 5: Solve for x
    x = 19,488,713,758.62/212,884.72
  6. Step 6: Final answer
    x = 91,545.86

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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.