Home / 139,512.27-209,133.09-55,244.43

Finding the Fourth Proportional to 139,512.27, 209,133.09 and 55,244.43

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Solution

The fourth proportional to 139,512.27, 209,133.09 and 55,244.43 is: 82,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,512.27 : 209,133.09 = 55,244.43 : x
  2. Step 2: Convert to fraction form
    139,512.27/209,133.09 = 55,244.43/x
  3. Step 3: Cross multiply
    139,512.27x = 209,133.09 × 55,244.43
  4. Step 4: Simplify right side
    139,512.27x = 11,553,438,351.19
  5. Step 5: Solve for x
    x = 11,553,438,351.19/139,512.27
  6. Step 6: Final answer
    x = 82,813.06

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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.