Home / 226,500.96-312,607.44-131,065.68

Finding the Fourth Proportional to 226,500.96, 312,607.44 and 131,065.68

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Solution

The fourth proportional to 226,500.96, 312,607.44 and 131,065.68 is: 180,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,500.96 : 312,607.44 = 131,065.68 : x
  2. Step 2: Convert to fraction form
    226,500.96/312,607.44 = 131,065.68/x
  3. Step 3: Cross multiply
    226,500.96x = 312,607.44 × 131,065.68
  4. Step 4: Simplify right side
    226,500.96x = 40,972,106,696.66
  5. Step 5: Solve for x
    x = 40,972,106,696.66/226,500.96
  6. Step 6: Final answer
    x = 180,891.54

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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.