Home / 231,975.96-347,878.58-80,134.41

Finding the Fourth Proportional to 231,975.96, 347,878.58 and 80,134.41

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Solution

The fourth proportional to 231,975.96, 347,878.58 and 80,134.41 is: 120,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,975.96 : 347,878.58 = 80,134.41 : x
  2. Step 2: Convert to fraction form
    231,975.96/347,878.58 = 80,134.41/x
  3. Step 3: Cross multiply
    231,975.96x = 347,878.58 × 80,134.41
  4. Step 4: Simplify right side
    231,975.96x = 27,877,043,020.54
  5. Step 5: Solve for x
    x = 27,877,043,020.54/231,975.96
  6. Step 6: Final answer
    x = 120,172.12

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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.