Home / 199,147.72-274,820.40-108,504.35

Finding the Fourth Proportional to 199,147.72, 274,820.40 and 108,504.35

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Solution

The fourth proportional to 199,147.72, 274,820.40 and 108,504.35 is: 149,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,147.72 : 274,820.40 = 108,504.35 : x
  2. Step 2: Convert to fraction form
    199,147.72/274,820.40 = 108,504.35/x
  3. Step 3: Cross multiply
    199,147.72x = 274,820.40 × 108,504.35
  4. Step 4: Simplify right side
    199,147.72x = 29,819,208,868.74
  5. Step 5: Solve for x
    x = 29,819,208,868.74/199,147.72
  6. Step 6: Final answer
    x = 149,734.12

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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.