Home / 133,229.66-199,982.91-89,164.34

Finding the Fourth Proportional to 133,229.66, 199,982.91 and 89,164.34

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Solution

The fourth proportional to 133,229.66, 199,982.91 and 89,164.34 is: 133,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,229.66 : 199,982.91 = 89,164.34 : x
  2. Step 2: Convert to fraction form
    133,229.66/199,982.91 = 89,164.34/x
  3. Step 3: Cross multiply
    133,229.66x = 199,982.91 × 89,164.34
  4. Step 4: Simplify right side
    133,229.66x = 17,831,344,181.43
  5. Step 5: Solve for x
    x = 17,831,344,181.43/133,229.66
  6. Step 6: Final answer
    x = 133,839.15

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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.