Home / 144,033.89-198,766.98-80,371.87

Finding the Fourth Proportional to 144,033.89, 198,766.98 and 80,371.87

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Solution

The fourth proportional to 144,033.89, 198,766.98 and 80,371.87 is: 110,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,033.89 : 198,766.98 = 80,371.87 : x
  2. Step 2: Convert to fraction form
    144,033.89/198,766.98 = 80,371.87/x
  3. Step 3: Cross multiply
    144,033.89x = 198,766.98 × 80,371.87
  4. Step 4: Simplify right side
    144,033.89x = 15,975,273,379.94
  5. Step 5: Solve for x
    x = 15,975,273,379.94/144,033.89
  6. Step 6: Final answer
    x = 110,913.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.