Home / 68,056.44-102,076.56-18,140.28

Finding the Fourth Proportional to 68,056.44, 102,076.56 and 18,140.28

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Solution

The fourth proportional to 68,056.44, 102,076.56 and 18,140.28 is: 27,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,056.44 : 102,076.56 = 18,140.28 : x
  2. Step 2: Convert to fraction form
    68,056.44/102,076.56 = 18,140.28/x
  3. Step 3: Cross multiply
    68,056.44x = 102,076.56 × 18,140.28
  4. Step 4: Simplify right side
    68,056.44x = 1,851,697,379.84
  5. Step 5: Solve for x
    x = 1,851,697,379.84/68,056.44
  6. Step 6: Final answer
    x = 27,208.26

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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.