Home / 198,589.47-274,116.16-126,969.77

Finding the Fourth Proportional to 198,589.47, 274,116.16 and 126,969.77

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Solution

The fourth proportional to 198,589.47, 274,116.16 and 126,969.77 is: 175,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,589.47 : 274,116.16 = 126,969.77 : x
  2. Step 2: Convert to fraction form
    198,589.47/274,116.16 = 126,969.77/x
  3. Step 3: Cross multiply
    198,589.47x = 274,116.16 × 126,969.77
  4. Step 4: Simplify right side
    198,589.47x = 34,804,465,153.63
  5. Step 5: Solve for x
    x = 34,804,465,153.63/198,589.47
  6. Step 6: Final answer
    x = 175,258.37

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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.