Home / 227,105.34-313,429.88-125,141.06

Finding the Fourth Proportional to 227,105.34, 313,429.88 and 125,141.06

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Solution

The fourth proportional to 227,105.34, 313,429.88 and 125,141.06 is: 172,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,105.34 : 313,429.88 = 125,141.06 : x
  2. Step 2: Convert to fraction form
    227,105.34/313,429.88 = 125,141.06/x
  3. Step 3: Cross multiply
    227,105.34x = 313,429.88 × 125,141.06
  4. Step 4: Simplify right side
    227,105.34x = 39,222,946,164.58
  5. Step 5: Solve for x
    x = 39,222,946,164.58/227,105.34
  6. Step 6: Final answer
    x = 172,708.16

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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.