Home / 198,657.06-274,143.50-108,015.30

Finding the Fourth Proportional to 198,657.06, 274,143.50 and 108,015.30

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Solution

The fourth proportional to 198,657.06, 274,143.50 and 108,015.30 is: 149,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,657.06 : 274,143.50 = 108,015.30 : x
  2. Step 2: Convert to fraction form
    198,657.06/274,143.50 = 108,015.30/x
  3. Step 3: Cross multiply
    198,657.06x = 274,143.50 × 108,015.30
  4. Step 4: Simplify right side
    198,657.06x = 29,611,692,395.55
  5. Step 5: Solve for x
    x = 29,611,692,395.55/198,657.06
  6. Step 6: Final answer
    x = 149,059.35

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1.5x scale

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.