Home / 231,977.96-347,881.58-80,136.41

Finding the Fourth Proportional to 231,977.96, 347,881.58 and 80,136.41

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Solution

The fourth proportional to 231,977.96, 347,881.58 and 80,136.41 is: 120,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,977.96 : 347,881.58 = 80,136.41 : x
  2. Step 2: Convert to fraction form
    231,977.96/347,881.58 = 80,136.41/x
  3. Step 3: Cross multiply
    231,977.96x = 347,881.58 × 80,136.41
  4. Step 4: Simplify right side
    231,977.96x = 27,877,980,926.33
  5. Step 5: Solve for x
    x = 27,877,980,926.33/231,977.96
  6. Step 6: Final answer
    x = 120,175.13

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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.