Home / 68,010.43-102,015.52-18,090.58

Finding the Fourth Proportional to 68,010.43, 102,015.52 and 18,090.58

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Solution

The fourth proportional to 68,010.43, 102,015.52 and 18,090.58 is: 27,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.43 : 102,015.52 = 18,090.58 : x
  2. Step 2: Convert to fraction form
    68,010.43/102,015.52 = 18,090.58/x
  3. Step 3: Cross multiply
    68,010.43x = 102,015.52 × 18,090.58
  4. Step 4: Simplify right side
    68,010.43x = 1,845,519,925.80
  5. Step 5: Solve for x
    x = 1,845,519,925.80/68,010.43
  6. Step 6: Final answer
    x = 27,135.84

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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.