Home / 208,844.70-313,048.35-82,436.10

Finding the Fourth Proportional to 208,844.70, 313,048.35 and 82,436.10

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Solution

The fourth proportional to 208,844.70, 313,048.35 and 82,436.10 is: 123,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,844.70 : 313,048.35 = 82,436.10 : x
  2. Step 2: Convert to fraction form
    208,844.70/313,048.35 = 82,436.10/x
  3. Step 3: Cross multiply
    208,844.70x = 313,048.35 × 82,436.10
  4. Step 4: Simplify right side
    208,844.70x = 25,806,485,085.44
  5. Step 5: Solve for x
    x = 25,806,485,085.44/208,844.70
  6. Step 6: Final answer
    x = 123,567.82

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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.