Home / 198,320.74-297,514.23-65,171.86

Finding the Fourth Proportional to 198,320.74, 297,514.23 and 65,171.86

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Solution

The fourth proportional to 198,320.74, 297,514.23 and 65,171.86 is: 97,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,320.74 : 297,514.23 = 65,171.86 : x
  2. Step 2: Convert to fraction form
    198,320.74/297,514.23 = 65,171.86/x
  3. Step 3: Cross multiply
    198,320.74x = 297,514.23 × 65,171.86
  4. Step 4: Simplify right side
    198,320.74x = 19,389,555,745.57
  5. Step 5: Solve for x
    x = 19,389,555,745.57/198,320.74
  6. Step 6: Final answer
    x = 97,768.67

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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.