Home / 212,157.09-318,190.82-62,356.64

Finding the Fourth Proportional to 212,157.09, 318,190.82 and 62,356.64

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Solution

The fourth proportional to 212,157.09, 318,190.82 and 62,356.64 is: 93,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,157.09 : 318,190.82 = 62,356.64 : x
  2. Step 2: Convert to fraction form
    212,157.09/318,190.82 = 62,356.64/x
  3. Step 3: Cross multiply
    212,157.09x = 318,190.82 × 62,356.64
  4. Step 4: Simplify right side
    212,157.09x = 19,841,308,511.31
  5. Step 5: Solve for x
    x = 19,841,308,511.31/212,157.09
  6. Step 6: Final answer
    x = 93,521.78

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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.