Home / 192,999.90-266,339.66-108,117.56

Finding the Fourth Proportional to 192,999.90, 266,339.66 and 108,117.56

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Solution

The fourth proportional to 192,999.90, 266,339.66 and 108,117.56 is: 149,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,999.90 : 266,339.66 = 108,117.56 : x
  2. Step 2: Convert to fraction form
    192,999.90/266,339.66 = 108,117.56/x
  3. Step 3: Cross multiply
    192,999.90x = 266,339.66 × 108,117.56
  4. Step 4: Simplify right side
    192,999.90x = 28,795,994,170.43
  5. Step 5: Solve for x
    x = 28,795,994,170.43/192,999.90
  6. Step 6: Final answer
    x = 149,202.12

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1.5x scale

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.