Home / 226,637.12-312,745.92-131,137.04

Finding the Fourth Proportional to 226,637.12, 312,745.92 and 131,137.04

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Solution

The fourth proportional to 226,637.12, 312,745.92 and 131,137.04 is: 180,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,637.12 : 312,745.92 = 131,137.04 : x
  2. Step 2: Convert to fraction form
    226,637.12/312,745.92 = 131,137.04/x
  3. Step 3: Cross multiply
    226,637.12x = 312,745.92 × 131,137.04
  4. Step 4: Simplify right side
    226,637.12x = 41,012,574,220.88
  5. Step 5: Solve for x
    x = 41,012,574,220.88/226,637.12
  6. Step 6: Final answer
    x = 180,961.42

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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.