Home / 219,212.07-328,623.70-106,829.43

Finding the Fourth Proportional to 219,212.07, 328,623.70 and 106,829.43

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Solution

The fourth proportional to 219,212.07, 328,623.70 and 106,829.43 is: 160,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,212.07 : 328,623.70 = 106,829.43 : x
  2. Step 2: Convert to fraction form
    219,212.07/328,623.70 = 106,829.43/x
  3. Step 3: Cross multiply
    219,212.07x = 328,623.70 × 106,829.43
  4. Step 4: Simplify right side
    219,212.07x = 35,106,682,555.49
  5. Step 5: Solve for x
    x = 35,106,682,555.49/219,212.07
  6. Step 6: Final answer
    x = 160,149.40

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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.