Home / 226,855.41-313,078.55-131,363.79

Finding the Fourth Proportional to 226,855.41, 313,078.55 and 131,363.79

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Solution

The fourth proportional to 226,855.41, 313,078.55 and 131,363.79 is: 181,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,855.41 : 313,078.55 = 131,363.79 : x
  2. Step 2: Convert to fraction form
    226,855.41/313,078.55 = 131,363.79/x
  3. Step 3: Cross multiply
    226,855.41x = 313,078.55 × 131,363.79
  4. Step 4: Simplify right side
    226,855.41x = 41,127,184,238.89
  5. Step 5: Solve for x
    x = 41,127,184,238.89/226,855.41
  6. Step 6: Final answer
    x = 181,292.50

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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.