Home / 144,022.03-198,761.61-80,369.38

Finding the Fourth Proportional to 144,022.03, 198,761.61 and 80,369.38

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Solution

The fourth proportional to 144,022.03, 198,761.61 and 80,369.38 is: 110,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.03 : 198,761.61 = 80,369.38 : x
  2. Step 2: Convert to fraction form
    144,022.03/198,761.61 = 80,369.38/x
  3. Step 3: Cross multiply
    144,022.03x = 198,761.61 × 80,369.38
  4. Step 4: Simplify right side
    144,022.03x = 15,974,347,363.50
  5. Step 5: Solve for x
    x = 15,974,347,363.50/144,022.03
  6. Step 6: Final answer
    x = 110,916.00

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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.