Home / 252,042.08-378,063.05-146,787.21

Finding the Fourth Proportional to 252,042.08, 378,063.05 and 146,787.21

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Solution

The fourth proportional to 252,042.08, 378,063.05 and 146,787.21 is: 220,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,042.08 : 378,063.05 = 146,787.21 : x
  2. Step 2: Convert to fraction form
    252,042.08/378,063.05 = 146,787.21/x
  3. Step 3: Cross multiply
    252,042.08x = 378,063.05 × 146,787.21
  4. Step 4: Simplify right side
    252,042.08x = 55,494,819,579.65
  5. Step 5: Solve for x
    x = 55,494,819,579.65/252,042.08
  6. Step 6: Final answer
    x = 220,180.78

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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.