Home / 103,971.82-155,930.04-29,087.32

Finding the Fourth Proportional to 103,971.82, 155,930.04 and 29,087.32

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Solution

The fourth proportional to 103,971.82, 155,930.04 and 29,087.32 is: 43,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,971.82 : 155,930.04 = 29,087.32 : x
  2. Step 2: Convert to fraction form
    103,971.82/155,930.04 = 29,087.32/x
  3. Step 3: Cross multiply
    103,971.82x = 155,930.04 × 29,087.32
  4. Step 4: Simplify right side
    103,971.82x = 4,535,586,971.09
  5. Step 5: Solve for x
    x = 4,535,586,971.09/103,971.82
  6. Step 6: Final answer
    x = 43,623.23

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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.