Home / 227,120.66-313,422.45-126,516.50

Finding the Fourth Proportional to 227,120.66, 313,422.45 and 126,516.50

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Solution

The fourth proportional to 227,120.66, 313,422.45 and 126,516.50 is: 174,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,120.66 : 313,422.45 = 126,516.50 : x
  2. Step 2: Convert to fraction form
    227,120.66/313,422.45 = 126,516.50/x
  3. Step 3: Cross multiply
    227,120.66x = 313,422.45 × 126,516.50
  4. Step 4: Simplify right side
    227,120.66x = 39,653,111,395.43
  5. Step 5: Solve for x
    x = 39,653,111,395.43/227,120.66
  6. Step 6: Final answer
    x = 174,590.51

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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.