Home / 208,926.38-313,514.09-75,817.02

Finding the Fourth Proportional to 208,926.38, 313,514.09 and 75,817.02

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Solution

The fourth proportional to 208,926.38, 313,514.09 and 75,817.02 is: 113,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,926.38 : 313,514.09 = 75,817.02 : x
  2. Step 2: Convert to fraction form
    208,926.38/313,514.09 = 75,817.02/x
  3. Step 3: Cross multiply
    208,926.38x = 313,514.09 × 75,817.02
  4. Step 4: Simplify right side
    208,926.38x = 23,769,704,221.35
  5. Step 5: Solve for x
    x = 23,769,704,221.35/208,926.38
  6. Step 6: Final answer
    x = 113,770.72

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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.