Home / 132,102.36-198,190.26-53,198.10

Finding the Fourth Proportional to 132,102.36, 198,190.26 and 53,198.10

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Solution

The fourth proportional to 132,102.36, 198,190.26 and 53,198.10 is: 79,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102.36 : 198,190.26 = 53,198.10 : x
  2. Step 2: Convert to fraction form
    132,102.36/198,190.26 = 53,198.10/x
  3. Step 3: Cross multiply
    132,102.36x = 198,190.26 × 53,198.10
  4. Step 4: Simplify right side
    132,102.36x = 10,543,345,270.51
  5. Step 5: Solve for x
    x = 10,543,345,270.51/132,102.36
  6. Step 6: Final answer
    x = 79,811.94

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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.