Home / 199,053.10-274,689.17-108,410.66

Finding the Fourth Proportional to 199,053.10, 274,689.17 and 108,410.66

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Solution

The fourth proportional to 199,053.10, 274,689.17 and 108,410.66 is: 149,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,053.10 : 274,689.17 = 108,410.66 : x
  2. Step 2: Convert to fraction form
    199,053.10/274,689.17 = 108,410.66/x
  3. Step 3: Cross multiply
    199,053.10x = 274,689.17 × 108,410.66
  4. Step 4: Simplify right side
    199,053.10x = 29,779,232,299.05
  5. Step 5: Solve for x
    x = 29,779,232,299.05/199,053.10
  6. Step 6: Final answer
    x = 149,604.47

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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.