Home / 68,826.23-103,238.13-18,906.13

Finding the Fourth Proportional to 68,826.23, 103,238.13 and 18,906.13

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Solution

The fourth proportional to 68,826.23, 103,238.13 and 18,906.13 is: 28,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.23 : 103,238.13 = 18,906.13 : x
  2. Step 2: Convert to fraction form
    68,826.23/103,238.13 = 18,906.13/x
  3. Step 3: Cross multiply
    68,826.23x = 103,238.13 × 18,906.13
  4. Step 4: Simplify right side
    68,826.23x = 1,951,833,506.74
  5. Step 5: Solve for x
    x = 1,951,833,506.74/68,826.23
  6. Step 6: Final answer
    x = 28,358.86

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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.