Home / 131,481.13-197,096.84-42,672.53

Finding the Fourth Proportional to 131,481.13, 197,096.84 and 42,672.53

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Solution

The fourth proportional to 131,481.13, 197,096.84 and 42,672.53 is: 63,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,481.13 : 197,096.84 = 42,672.53 : x
  2. Step 2: Convert to fraction form
    131,481.13/197,096.84 = 42,672.53/x
  3. Step 3: Cross multiply
    131,481.13x = 197,096.84 × 42,672.53
  4. Step 4: Simplify right side
    131,481.13x = 8,410,620,817.81
  5. Step 5: Solve for x
    x = 8,410,620,817.81/131,481.13
  6. Step 6: Final answer
    x = 63,968.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.