Home / 199,173.12-274,855.34-108,529.86

Finding the Fourth Proportional to 199,173.12, 274,855.34 and 108,529.86

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Solution

The fourth proportional to 199,173.12, 274,855.34 and 108,529.86 is: 149,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,173.12 : 274,855.34 = 108,529.86 : x
  2. Step 2: Convert to fraction form
    199,173.12/274,855.34 = 108,529.86/x
  3. Step 3: Cross multiply
    199,173.12x = 274,855.34 × 108,529.86
  4. Step 4: Simplify right side
    199,173.12x = 29,830,012,872.48
  5. Step 5: Solve for x
    x = 29,830,012,872.48/199,173.12
  6. Step 6: Final answer
    x = 149,769.27

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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.