Home / 226,507.96-312,617.10-131,072.68

Finding the Fourth Proportional to 226,507.96, 312,617.10 and 131,072.68

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Solution

The fourth proportional to 226,507.96, 312,617.10 and 131,072.68 is: 180,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,507.96 : 312,617.10 = 131,072.68 : x
  2. Step 2: Convert to fraction form
    226,507.96/312,617.10 = 131,072.68/x
  3. Step 3: Cross multiply
    226,507.96x = 312,617.10 × 131,072.68
  4. Step 4: Simplify right side
    226,507.96x = 40,975,561,110.83
  5. Step 5: Solve for x
    x = 40,975,561,110.83/226,507.96
  6. Step 6: Final answer
    x = 180,901.20

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1.5x scale

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.