Home / 198,904.46-274,483.80-108,258.17

Finding the Fourth Proportional to 198,904.46, 274,483.80 and 108,258.17

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Solution

The fourth proportional to 198,904.46, 274,483.80 and 108,258.17 is: 149,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,904.46 : 274,483.80 = 108,258.17 : x
  2. Step 2: Convert to fraction form
    198,904.46/274,483.80 = 108,258.17/x
  3. Step 3: Cross multiply
    198,904.46x = 274,483.80 × 108,258.17
  4. Step 4: Simplify right side
    198,904.46x = 29,715,112,510.23
  5. Step 5: Solve for x
    x = 29,715,112,510.23/198,904.46
  6. Step 6: Final answer
    x = 149,393.90

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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.