Home / 301,146.56-451,786.66-90,769.31

Finding the Fourth Proportional to 301,146.56, 451,786.66 and 90,769.31

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Solution

The fourth proportional to 301,146.56, 451,786.66 and 90,769.31 is: 136,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,146.56 : 451,786.66 = 90,769.31 : x
  2. Step 2: Convert to fraction form
    301,146.56/451,786.66 = 90,769.31/x
  3. Step 3: Cross multiply
    301,146.56x = 451,786.66 × 90,769.31
  4. Step 4: Simplify right side
    301,146.56x = 41,008,363,114.33
  5. Step 5: Solve for x
    x = 41,008,363,114.33/301,146.56
  6. Step 6: Final answer
    x = 136,174.11

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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.