Home / 226,662.57-312,804.92-131,150.79

Finding the Fourth Proportional to 226,662.57, 312,804.92 and 131,150.79

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Solution

The fourth proportional to 226,662.57, 312,804.92 and 131,150.79 is: 180,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,662.57 : 312,804.92 = 131,150.79 : x
  2. Step 2: Convert to fraction form
    226,662.57/312,804.92 = 131,150.79/x
  3. Step 3: Cross multiply
    226,662.57x = 312,804.92 × 131,150.79
  4. Step 4: Simplify right side
    226,662.57x = 41,024,612,701.76
  5. Step 5: Solve for x
    x = 41,024,612,701.76/226,662.57
  6. Step 6: Final answer
    x = 180,994.21

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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.