Home / 243,180.82-364,993.70-123,320.49

Finding the Fourth Proportional to 243,180.82, 364,993.70 and 123,320.49

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Solution

The fourth proportional to 243,180.82, 364,993.70 and 123,320.49 is: 185,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,180.82 : 364,993.70 = 123,320.49 : x
  2. Step 2: Convert to fraction form
    243,180.82/364,993.70 = 123,320.49/x
  3. Step 3: Cross multiply
    243,180.82x = 364,993.70 × 123,320.49
  4. Step 4: Simplify right side
    243,180.82x = 45,011,203,039.19
  5. Step 5: Solve for x
    x = 45,011,203,039.19/243,180.82
  6. Step 6: Final answer
    x = 185,093.56

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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.