Home / 198,995.20-274,599.52-112,955.92

Finding the Fourth Proportional to 198,995.20, 274,599.52 and 112,955.92

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Solution

The fourth proportional to 198,995.20, 274,599.52 and 112,955.92 is: 155,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,995.20 : 274,599.52 = 112,955.92 : x
  2. Step 2: Convert to fraction form
    198,995.20/274,599.52 = 112,955.92/x
  3. Step 3: Cross multiply
    198,995.20x = 274,599.52 × 112,955.92
  4. Step 4: Simplify right side
    198,995.20x = 31,017,640,444.27
  5. Step 5: Solve for x
    x = 31,017,640,444.27/198,995.20
  6. Step 6: Final answer
    x = 155,871.30

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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.