Home / 269,115.89-403,533.66-126,922.98

Finding the Fourth Proportional to 269,115.89, 403,533.66 and 126,922.98

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Solution

The fourth proportional to 269,115.89, 403,533.66 and 126,922.98 is: 190,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,115.89 : 403,533.66 = 126,922.98 : x
  2. Step 2: Convert to fraction form
    269,115.89/403,533.66 = 126,922.98/x
  3. Step 3: Cross multiply
    269,115.89x = 403,533.66 × 126,922.98
  4. Step 4: Simplify right side
    269,115.89x = 51,217,694,657.51
  5. Step 5: Solve for x
    x = 51,217,694,657.51/269,115.89
  6. Step 6: Final answer
    x = 190,318.36

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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.