Home / 227,209.32-313,550.16-131,772.72

Finding the Fourth Proportional to 227,209.32, 313,550.16 and 131,772.72

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Solution

The fourth proportional to 227,209.32, 313,550.16 and 131,772.72 is: 181,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,209.32 : 313,550.16 = 131,772.72 : x
  2. Step 2: Convert to fraction form
    227,209.32/313,550.16 = 131,772.72/x
  3. Step 3: Cross multiply
    227,209.32x = 313,550.16 × 131,772.72
  4. Step 4: Simplify right side
    227,209.32x = 41,317,357,439.64
  5. Step 5: Solve for x
    x = 41,317,357,439.64/227,209.32
  6. Step 6: Final answer
    x = 181,847.11

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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.