Home / 198,219.81-273,770.38-130,539.32

Finding the Fourth Proportional to 198,219.81, 273,770.38 and 130,539.32

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Solution

The fourth proportional to 198,219.81, 273,770.38 and 130,539.32 is: 180,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,219.81 : 273,770.38 = 130,539.32 : x
  2. Step 2: Convert to fraction form
    198,219.81/273,770.38 = 130,539.32/x
  3. Step 3: Cross multiply
    198,219.81x = 273,770.38 × 130,539.32
  4. Step 4: Simplify right side
    198,219.81x = 35,737,799,241.34
  5. Step 5: Solve for x
    x = 35,737,799,241.34/198,219.81
  6. Step 6: Final answer
    x = 180,293.78

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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.