Home / 208,942.76-313,274.94-75,805.76

Finding the Fourth Proportional to 208,942.76, 313,274.94 and 75,805.76

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Solution

The fourth proportional to 208,942.76, 313,274.94 and 75,805.76 is: 113,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,942.76 : 313,274.94 = 75,805.76 : x
  2. Step 2: Convert to fraction form
    208,942.76/313,274.94 = 75,805.76/x
  3. Step 3: Cross multiply
    208,942.76x = 313,274.94 × 75,805.76
  4. Step 4: Simplify right side
    208,942.76x = 23,748,044,915.65
  5. Step 5: Solve for x
    x = 23,748,044,915.65/208,942.76
  6. Step 6: Final answer
    x = 113,658.14

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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.