Home / 208,208.20-312,265.52-95,780.44

Finding the Fourth Proportional to 208,208.20, 312,265.52 and 95,780.44

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Solution

The fourth proportional to 208,208.20, 312,265.52 and 95,780.44 is: 143,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,208.20 : 312,265.52 = 95,780.44 : x
  2. Step 2: Convert to fraction form
    208,208.20/312,265.52 = 95,780.44/x
  3. Step 3: Cross multiply
    208,208.20x = 312,265.52 × 95,780.44
  4. Step 4: Simplify right side
    208,208.20x = 29,908,928,902.43
  5. Step 5: Solve for x
    x = 29,908,928,902.43/208,208.20
  6. Step 6: Final answer
    x = 143,649.14

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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.