Home / 253,121.04-379,786.32-110,892.76

Finding the Fourth Proportional to 253,121.04, 379,786.32 and 110,892.76

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Solution

The fourth proportional to 253,121.04, 379,786.32 and 110,892.76 is: 166,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,121.04 : 379,786.32 = 110,892.76 : x
  2. Step 2: Convert to fraction form
    253,121.04/379,786.32 = 110,892.76/x
  3. Step 3: Cross multiply
    253,121.04x = 379,786.32 × 110,892.76
  4. Step 4: Simplify right side
    253,121.04x = 42,115,553,235.04
  5. Step 5: Solve for x
    x = 42,115,553,235.04/253,121.04
  6. Step 6: Final answer
    x = 166,385.04

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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.