Home / 208,923.80-313,510.17-75,814.41

Finding the Fourth Proportional to 208,923.80, 313,510.17 and 75,814.41

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Solution

The fourth proportional to 208,923.80, 313,510.17 and 75,814.41 is: 113,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923.80 : 313,510.17 = 75,814.41 : x
  2. Step 2: Convert to fraction form
    208,923.80/313,510.17 = 75,814.41/x
  3. Step 3: Cross multiply
    208,923.80x = 313,510.17 × 75,814.41
  4. Step 4: Simplify right side
    208,923.80x = 23,768,588,567.55
  5. Step 5: Solve for x
    x = 23,768,588,567.55/208,923.80
  6. Step 6: Final answer
    x = 113,766.79

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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.