Home / 135,376.58-203,008.89-51,122.42

Finding the Fourth Proportional to 135,376.58, 203,008.89 and 51,122.42

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Solution

The fourth proportional to 135,376.58, 203,008.89 and 51,122.42 is: 76,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,376.58 : 203,008.89 = 51,122.42 : x
  2. Step 2: Convert to fraction form
    135,376.58/203,008.89 = 51,122.42/x
  3. Step 3: Cross multiply
    135,376.58x = 203,008.89 × 51,122.42
  4. Step 4: Simplify right side
    135,376.58x = 10,378,305,738.31
  5. Step 5: Solve for x
    x = 10,378,305,738.31/135,376.58
  6. Step 6: Final answer
    x = 76,662.49

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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.