Home / 179,609.12-269,005.86-139,304.54

Finding the Fourth Proportional to 179,609.12, 269,005.86 and 139,304.54

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Solution

The fourth proportional to 179,609.12, 269,005.86 and 139,304.54 is: 208,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,609.12 : 269,005.86 = 139,304.54 : x
  2. Step 2: Convert to fraction form
    179,609.12/269,005.86 = 139,304.54/x
  3. Step 3: Cross multiply
    179,609.12x = 269,005.86 × 139,304.54
  4. Step 4: Simplify right side
    179,609.12x = 37,473,737,584.60
  5. Step 5: Solve for x
    x = 37,473,737,584.60/179,609.12
  6. Step 6: Final answer
    x = 208,640.51

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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.