Home / 227,187.21-313,519.56-130,383.33

Finding the Fourth Proportional to 227,187.21, 313,519.56 and 130,383.33

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Solution

The fourth proportional to 227,187.21, 313,519.56 and 130,383.33 is: 179,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,187.21 : 313,519.56 = 130,383.33 : x
  2. Step 2: Convert to fraction form
    227,187.21/313,519.56 = 130,383.33/x
  3. Step 3: Cross multiply
    227,187.21x = 313,519.56 × 130,383.33
  4. Step 4: Simplify right side
    227,187.21x = 40,877,724,252.93
  5. Step 5: Solve for x
    x = 40,877,724,252.93/227,187.21
  6. Step 6: Final answer
    x = 179,929.69

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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.