Home / 144,786.10-216,939.11-102,456.44

Finding the Fourth Proportional to 144,786.10, 216,939.11 and 102,456.44

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Solution

The fourth proportional to 144,786.10, 216,939.11 and 102,456.44 is: 153,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,786.10 : 216,939.11 = 102,456.44 : x
  2. Step 2: Convert to fraction form
    144,786.10/216,939.11 = 102,456.44/x
  3. Step 3: Cross multiply
    144,786.10x = 216,939.11 × 102,456.44
  4. Step 4: Simplify right side
    144,786.10x = 22,226,809,163.51
  5. Step 5: Solve for x
    x = 22,226,809,163.51/144,786.10
  6. Step 6: Final answer
    x = 153,514.81

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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.