Home / 132,172.62-198,297.81-53,246.22

Finding the Fourth Proportional to 132,172.62, 198,297.81 and 53,246.22

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Solution

The fourth proportional to 132,172.62, 198,297.81 and 53,246.22 is: 79,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.62 : 198,297.81 = 53,246.22 : x
  2. Step 2: Convert to fraction form
    132,172.62/198,297.81 = 53,246.22/x
  3. Step 3: Cross multiply
    132,172.62x = 198,297.81 × 53,246.22
  4. Step 4: Simplify right side
    132,172.62x = 10,558,608,816.78
  5. Step 5: Solve for x
    x = 10,558,608,816.78/132,172.62
  6. Step 6: Final answer
    x = 79,884.99

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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.