Home / 226,783.70-312,943.30-131,296.55

Finding the Fourth Proportional to 226,783.70, 312,943.30 and 131,296.55

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Solution

The fourth proportional to 226,783.70, 312,943.30 and 131,296.55 is: 181,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,783.70 : 312,943.30 = 131,296.55 : x
  2. Step 2: Convert to fraction form
    226,783.70/312,943.30 = 131,296.55/x
  3. Step 3: Cross multiply
    226,783.70x = 312,943.30 × 131,296.55
  4. Step 4: Simplify right side
    226,783.70x = 41,088,373,742.66
  5. Step 5: Solve for x
    x = 41,088,373,742.66/226,783.70
  6. Step 6: Final answer
    x = 181,178.69

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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.