Home / 198,946.42-274,537.65-108,300.50

Finding the Fourth Proportional to 198,946.42, 274,537.65 and 108,300.50

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Solution

The fourth proportional to 198,946.42, 274,537.65 and 108,300.50 is: 149,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,946.42 : 274,537.65 = 108,300.50 : x
  2. Step 2: Convert to fraction form
    198,946.42/274,537.65 = 108,300.50/x
  3. Step 3: Cross multiply
    198,946.42x = 274,537.65 × 108,300.50
  4. Step 4: Simplify right side
    198,946.42x = 29,732,564,763.83
  5. Step 5: Solve for x
    x = 29,732,564,763.83/198,946.42
  6. Step 6: Final answer
    x = 149,450.11

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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.