Home / 133,099.13-199,573.36-54,120.49

Finding the Fourth Proportional to 133,099.13, 199,573.36 and 54,120.49

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Solution

The fourth proportional to 133,099.13, 199,573.36 and 54,120.49 is: 81,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.13 : 199,573.36 = 54,120.49 : x
  2. Step 2: Convert to fraction form
    133,099.13/199,573.36 = 54,120.49/x
  3. Step 3: Cross multiply
    133,099.13x = 199,573.36 × 54,120.49
  4. Step 4: Simplify right side
    133,099.13x = 10,801,008,034.15
  5. Step 5: Solve for x
    x = 10,801,008,034.15/133,099.13
  6. Step 6: Final answer
    x = 81,150.10

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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.