Home / 199,326.29-298,924.43-66,170.79

Finding the Fourth Proportional to 199,326.29, 298,924.43 and 66,170.79

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Solution

The fourth proportional to 199,326.29, 298,924.43 and 66,170.79 is: 99,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326.29 : 298,924.43 = 66,170.79 : x
  2. Step 2: Convert to fraction form
    199,326.29/298,924.43 = 66,170.79/x
  3. Step 3: Cross multiply
    199,326.29x = 298,924.43 × 66,170.79
  4. Step 4: Simplify right side
    199,326.29x = 19,780,065,352.55
  5. Step 5: Solve for x
    x = 19,780,065,352.55/199,326.29
  6. Step 6: Final answer
    x = 99,234.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.