Home / 97,912.20-146,873.88-27,786

Finding the Fourth Proportional to 97,912.20, 146,873.88 and 27,786

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Solution

The fourth proportional to 97,912.20, 146,873.88 and 27,786 is: 41,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,912.20 : 146,873.88 = 27,786 : x
  2. Step 2: Convert to fraction form
    97,912.20/146,873.88 = 27,786/x
  3. Step 3: Cross multiply
    97,912.20x = 146,873.88 × 27,786
  4. Step 4: Simplify right side
    97,912.20x = 4,081,037,629.68
  5. Step 5: Solve for x
    x = 4,081,037,629.68/97,912.20
  6. Step 6: Final answer
    x = 41,680.58

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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.