Home / 274,665.87-412,063.07-85,116.32

Finding the Fourth Proportional to 274,665.87, 412,063.07 and 85,116.32

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Solution

The fourth proportional to 274,665.87, 412,063.07 and 85,116.32 is: 127,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,665.87 : 412,063.07 = 85,116.32 : x
  2. Step 2: Convert to fraction form
    274,665.87/412,063.07 = 85,116.32/x
  3. Step 3: Cross multiply
    274,665.87x = 412,063.07 × 85,116.32
  4. Step 4: Simplify right side
    274,665.87x = 35,073,291,185.64
  5. Step 5: Solve for x
    x = 35,073,291,185.64/274,665.87
  6. Step 6: Final answer
    x = 127,694.39

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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.