Home / 219,246.70-327,919.85-129,074.53

Finding the Fourth Proportional to 219,246.70, 327,919.85 and 129,074.53

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Solution

The fourth proportional to 219,246.70, 327,919.85 and 129,074.53 is: 193,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,246.70 : 327,919.85 = 129,074.53 : x
  2. Step 2: Convert to fraction form
    219,246.70/327,919.85 = 129,074.53/x
  3. Step 3: Cross multiply
    219,246.70x = 327,919.85 × 129,074.53
  4. Step 4: Simplify right side
    219,246.70x = 42,326,098,231.45
  5. Step 5: Solve for x
    x = 42,326,098,231.45/219,246.70
  6. Step 6: Final answer
    x = 193,052.39

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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.