Home / 210,829.26-290,951.28-120,183.58

Finding the Fourth Proportional to 210,829.26, 290,951.28 and 120,183.58

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Solution

The fourth proportional to 210,829.26, 290,951.28 and 120,183.58 is: 165,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,829.26 : 290,951.28 = 120,183.58 : x
  2. Step 2: Convert to fraction form
    210,829.26/290,951.28 = 120,183.58/x
  3. Step 3: Cross multiply
    210,829.26x = 290,951.28 × 120,183.58
  4. Step 4: Simplify right side
    210,829.26x = 34,967,566,435.98
  5. Step 5: Solve for x
    x = 34,967,566,435.98/210,829.26
  6. Step 6: Final answer
    x = 165,857.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.