Home / 208,929.58-313,394.37-75,809.62

Finding the Fourth Proportional to 208,929.58, 313,394.37 and 75,809.62

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Solution

The fourth proportional to 208,929.58, 313,394.37 and 75,809.62 is: 113,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,929.58 : 313,394.37 = 75,809.62 : x
  2. Step 2: Convert to fraction form
    208,929.58/313,394.37 = 75,809.62/x
  3. Step 3: Cross multiply
    208,929.58x = 313,394.37 × 75,809.62
  4. Step 4: Simplify right side
    208,929.58x = 23,758,308,207.30
  5. Step 5: Solve for x
    x = 23,758,308,207.30/208,929.58
  6. Step 6: Final answer
    x = 113,714.43

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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.