Home / 199,221.05-274,916.97-108,575.10

Finding the Fourth Proportional to 199,221.05, 274,916.97 and 108,575.10

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Solution

The fourth proportional to 199,221.05, 274,916.97 and 108,575.10 is: 149,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,221.05 : 274,916.97 = 108,575.10 : x
  2. Step 2: Convert to fraction form
    199,221.05/274,916.97 = 108,575.10/x
  3. Step 3: Cross multiply
    199,221.05x = 274,916.97 × 108,575.10
  4. Step 4: Simplify right side
    199,221.05x = 29,849,137,509.45
  5. Step 5: Solve for x
    x = 29,849,137,509.45/199,221.05
  6. Step 6: Final answer
    x = 149,829.23

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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.