Home / 219,800.62-303,337.65-123,003.66

Finding the Fourth Proportional to 219,800.62, 303,337.65 and 123,003.66

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Solution

The fourth proportional to 219,800.62, 303,337.65 and 123,003.66 is: 169,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,800.62 : 303,337.65 = 123,003.66 : x
  2. Step 2: Convert to fraction form
    219,800.62/303,337.65 = 123,003.66/x
  3. Step 3: Cross multiply
    219,800.62x = 303,337.65 × 123,003.66
  4. Step 4: Simplify right side
    219,800.62x = 37,311,639,034.09
  5. Step 5: Solve for x
    x = 37,311,639,034.09/219,800.62
  6. Step 6: Final answer
    x = 169,752.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.