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Finding the Fourth Proportional to 199,573.56, 299,101.14 and 81,107.04

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Solution

The fourth proportional to 199,573.56, 299,101.14 and 81,107.04 is: 121,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,573.56 : 299,101.14 = 81,107.04 : x
  2. Step 2: Convert to fraction form
    199,573.56/299,101.14 = 81,107.04/x
  3. Step 3: Cross multiply
    199,573.56x = 299,101.14 × 81,107.04
  4. Step 4: Simplify right side
    199,573.56x = 24,259,208,126.03
  5. Step 5: Solve for x
    x = 24,259,208,126.03/199,573.56
  6. Step 6: Final answer
    x = 121,555.22

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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.