Home / 231,916.10-320,197.74-178,104.56

Finding the Fourth Proportional to 231,916.10, 320,197.74 and 178,104.56

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Solution

The fourth proportional to 231,916.10, 320,197.74 and 178,104.56 is: 245,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,916.10 : 320,197.74 = 178,104.56 : x
  2. Step 2: Convert to fraction form
    231,916.10/320,197.74 = 178,104.56/x
  3. Step 3: Cross multiply
    231,916.10x = 320,197.74 × 178,104.56
  4. Step 4: Simplify right side
    231,916.10x = 57,028,677,595.69
  5. Step 5: Solve for x
    x = 57,028,677,595.69/231,916.10
  6. Step 6: Final answer
    x = 245,902.19

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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.