Home / 199,009.35-274,165.68-138,476.04

Finding the Fourth Proportional to 199,009.35, 274,165.68 and 138,476.04

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Solution

The fourth proportional to 199,009.35, 274,165.68 and 138,476.04 is: 190,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,009.35 : 274,165.68 = 138,476.04 : x
  2. Step 2: Convert to fraction form
    199,009.35/274,165.68 = 138,476.04/x
  3. Step 3: Cross multiply
    199,009.35x = 274,165.68 × 138,476.04
  4. Step 4: Simplify right side
    199,009.35x = 37,965,377,670.31
  5. Step 5: Solve for x
    x = 37,965,377,670.31/199,009.35
  6. Step 6: Final answer
    x = 190,771.83

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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.