Home / 208,908.04-313,295.58-68,634.28

Finding the Fourth Proportional to 208,908.04, 313,295.58 and 68,634.28

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Solution

The fourth proportional to 208,908.04, 313,295.58 and 68,634.28 is: 102,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,908.04 : 313,295.58 = 68,634.28 : x
  2. Step 2: Convert to fraction form
    208,908.04/313,295.58 = 68,634.28/x
  3. Step 3: Cross multiply
    208,908.04x = 313,295.58 × 68,634.28
  4. Step 4: Simplify right side
    208,908.04x = 21,502,816,560.48
  5. Step 5: Solve for x
    x = 21,502,816,560.48/208,908.04
  6. Step 6: Final answer
    x = 102,929.58

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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.