Home / 198,639.01-274,116.06-112,605.97

Finding the Fourth Proportional to 198,639.01, 274,116.06 and 112,605.97

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Solution

The fourth proportional to 198,639.01, 274,116.06 and 112,605.97 is: 155,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,639.01 : 274,116.06 = 112,605.97 : x
  2. Step 2: Convert to fraction form
    198,639.01/274,116.06 = 112,605.97/x
  3. Step 3: Cross multiply
    198,639.01x = 274,116.06 × 112,605.97
  4. Step 4: Simplify right side
    198,639.01x = 30,867,104,828.88
  5. Step 5: Solve for x
    x = 30,867,104,828.88/198,639.01
  6. Step 6: Final answer
    x = 155,392.97

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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.