Home / 198,942.37-274,787.05-144,407.41

Finding the Fourth Proportional to 198,942.37, 274,787.05 and 144,407.41

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Solution

The fourth proportional to 198,942.37, 274,787.05 and 144,407.41 is: 199,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,942.37 : 274,787.05 = 144,407.41 : x
  2. Step 2: Convert to fraction form
    198,942.37/274,787.05 = 144,407.41/x
  3. Step 3: Cross multiply
    198,942.37x = 274,787.05 × 144,407.41
  4. Step 4: Simplify right side
    198,942.37x = 39,681,284,818.11
  5. Step 5: Solve for x
    x = 39,681,284,818.11/198,942.37
  6. Step 6: Final answer
    x = 199,461.21

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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.