Home / 68,822.34-103,236.48-18,901.23

Finding the Fourth Proportional to 68,822.34, 103,236.48 and 18,901.23

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Solution

The fourth proportional to 68,822.34, 103,236.48 and 18,901.23 is: 28,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,822.34 : 103,236.48 = 18,901.23 : x
  2. Step 2: Convert to fraction form
    68,822.34/103,236.48 = 18,901.23/x
  3. Step 3: Cross multiply
    68,822.34x = 103,236.48 × 18,901.23
  4. Step 4: Simplify right side
    68,822.34x = 1,951,296,452.87
  5. Step 5: Solve for x
    x = 1,951,296,452.87/68,822.34
  6. Step 6: Final answer
    x = 28,352.66

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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.