Home / 198,821.79-274,371.93-118,247.54

Finding the Fourth Proportional to 198,821.79, 274,371.93 and 118,247.54

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Solution

The fourth proportional to 198,821.79, 274,371.93 and 118,247.54 is: 163,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,821.79 : 274,371.93 = 118,247.54 : x
  2. Step 2: Convert to fraction form
    198,821.79/274,371.93 = 118,247.54/x
  3. Step 3: Cross multiply
    198,821.79x = 274,371.93 × 118,247.54
  4. Step 4: Simplify right side
    198,821.79x = 32,443,805,767.55
  5. Step 5: Solve for x
    x = 32,443,805,767.55/198,821.79
  6. Step 6: Final answer
    x = 163,180.33

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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.