Home / 199,114.20-274,703.40-131,171.40

Finding the Fourth Proportional to 199,114.20, 274,703.40 and 131,171.40

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Solution

The fourth proportional to 199,114.20, 274,703.40 and 131,171.40 is: 180,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,114.20 : 274,703.40 = 131,171.40 : x
  2. Step 2: Convert to fraction form
    199,114.20/274,703.40 = 131,171.40/x
  3. Step 3: Cross multiply
    199,114.20x = 274,703.40 × 131,171.40
  4. Step 4: Simplify right side
    199,114.20x = 36,033,229,562.76
  5. Step 5: Solve for x
    x = 36,033,229,562.76/199,114.20
  6. Step 6: Final answer
    x = 180,967.65

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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.