Home / 100,835.17-150,837.21-82,863.50

Finding the Fourth Proportional to 100,835.17, 150,837.21 and 82,863.50

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Solution

The fourth proportional to 100,835.17, 150,837.21 and 82,863.50 is: 123,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,835.17 : 150,837.21 = 82,863.50 : x
  2. Step 2: Convert to fraction form
    100,835.17/150,837.21 = 82,863.50/x
  3. Step 3: Cross multiply
    100,835.17x = 150,837.21 × 82,863.50
  4. Step 4: Simplify right side
    100,835.17x = 12,498,898,396.65
  5. Step 5: Solve for x
    x = 12,498,898,396.65/100,835.17
  6. Step 6: Final answer
    x = 123,953.76

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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.