Home / 198,395.52-298,957.20-164,103.36

Finding the Fourth Proportional to 198,395.52, 298,957.20 and 164,103.36

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Solution

The fourth proportional to 198,395.52, 298,957.20 and 164,103.36 is: 247,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,395.52 : 298,957.20 = 164,103.36 : x
  2. Step 2: Convert to fraction form
    198,395.52/298,957.20 = 164,103.36/x
  3. Step 3: Cross multiply
    198,395.52x = 298,957.20 × 164,103.36
  4. Step 4: Simplify right side
    198,395.52x = 49,059,881,016.19
  5. Step 5: Solve for x
    x = 49,059,881,016.19/198,395.52
  6. Step 6: Final answer
    x = 247,283.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.