Home / 291,136.14-436,699.32-131,123.04

Finding the Fourth Proportional to 291,136.14, 436,699.32 and 131,123.04

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Solution

The fourth proportional to 291,136.14, 436,699.32 and 131,123.04 is: 196,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,136.14 : 436,699.32 = 131,123.04 : x
  2. Step 2: Convert to fraction form
    291,136.14/436,699.32 = 131,123.04/x
  3. Step 3: Cross multiply
    291,136.14x = 436,699.32 × 131,123.04
  4. Step 4: Simplify right side
    291,136.14x = 57,261,342,404.33
  5. Step 5: Solve for x
    x = 57,261,342,404.33/291,136.14
  6. Step 6: Final answer
    x = 196,682.36

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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.