Home / 208,946.99-313,371.38-66,804.95

Finding the Fourth Proportional to 208,946.99, 313,371.38 and 66,804.95

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Solution

The fourth proportional to 208,946.99, 313,371.38 and 66,804.95 is: 100,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,946.99 : 313,371.38 = 66,804.95 : x
  2. Step 2: Convert to fraction form
    208,946.99/313,371.38 = 66,804.95/x
  3. Step 3: Cross multiply
    208,946.99x = 313,371.38 × 66,804.95
  4. Step 4: Simplify right side
    208,946.99x = 20,934,760,322.77
  5. Step 5: Solve for x
    x = 20,934,760,322.77/208,946.99
  6. Step 6: Final answer
    x = 100,191.73

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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.