Home / 84,129.23-126,166.52-27,954.25

Finding the Fourth Proportional to 84,129.23, 126,166.52 and 27,954.25

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Solution

The fourth proportional to 84,129.23, 126,166.52 and 27,954.25 is: 41,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,129.23 : 126,166.52 = 27,954.25 : x
  2. Step 2: Convert to fraction form
    84,129.23/126,166.52 = 27,954.25/x
  3. Step 3: Cross multiply
    84,129.23x = 126,166.52 × 27,954.25
  4. Step 4: Simplify right side
    84,129.23x = 3,526,890,196.18
  5. Step 5: Solve for x
    x = 3,526,890,196.18/84,129.23
  6. Step 6: Final answer
    x = 41,922.30

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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.