Home / 223,814.14-335,721.21-90,669.58

Finding the Fourth Proportional to 223,814.14, 335,721.21 and 90,669.58

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Solution

The fourth proportional to 223,814.14, 335,721.21 and 90,669.58 is: 136,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,814.14 : 335,721.21 = 90,669.58 : x
  2. Step 2: Convert to fraction form
    223,814.14/335,721.21 = 90,669.58/x
  3. Step 3: Cross multiply
    223,814.14x = 335,721.21 × 90,669.58
  4. Step 4: Simplify right side
    223,814.14x = 30,439,701,107.79
  5. Step 5: Solve for x
    x = 30,439,701,107.79/223,814.14
  6. Step 6: Final answer
    x = 136,004.37

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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.