Home / 132,971.94-199,495.44-54,142.74

Finding the Fourth Proportional to 132,971.94, 199,495.44 and 54,142.74

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Solution

The fourth proportional to 132,971.94, 199,495.44 and 54,142.74 is: 81,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,971.94 : 199,495.44 = 54,142.74 : x
  2. Step 2: Convert to fraction form
    132,971.94/199,495.44 = 54,142.74/x
  3. Step 3: Cross multiply
    132,971.94x = 199,495.44 × 54,142.74
  4. Step 4: Simplify right side
    132,971.94x = 10,801,229,739.11
  5. Step 5: Solve for x
    x = 10,801,229,739.11/132,971.94
  6. Step 6: Final answer
    x = 81,229.39

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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.