Home / 234,243.72-323,258-126,814.03

Finding the Fourth Proportional to 234,243.72, 323,258 and 126,814.03

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Solution

The fourth proportional to 234,243.72, 323,258 and 126,814.03 is: 175,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,243.72 : 323,258 = 126,814.03 : x
  2. Step 2: Convert to fraction form
    234,243.72/323,258 = 126,814.03/x
  3. Step 3: Cross multiply
    234,243.72x = 323,258 × 126,814.03
  4. Step 4: Simplify right side
    234,243.72x = 40,993,649,709.74
  5. Step 5: Solve for x
    x = 40,993,649,709.74/234,243.72
  6. Step 6: Final answer
    x = 175,004.26

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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.