Home / 212,922.58-319,291.14-61,086.16

Finding the Fourth Proportional to 212,922.58, 319,291.14 and 61,086.16

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Solution

The fourth proportional to 212,922.58, 319,291.14 and 61,086.16 is: 91,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,922.58 : 319,291.14 = 61,086.16 : x
  2. Step 2: Convert to fraction form
    212,922.58/319,291.14 = 61,086.16/x
  3. Step 3: Cross multiply
    212,922.58x = 319,291.14 × 61,086.16
  4. Step 4: Simplify right side
    212,922.58x = 19,504,269,664.62
  5. Step 5: Solve for x
    x = 19,504,269,664.62/212,922.58
  6. Step 6: Final answer
    x = 91,602.64

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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.