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Finding the Fourth Proportional to 234,098.99, 323,055.56 and 126,670.91

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Solution

The fourth proportional to 234,098.99, 323,055.56 and 126,670.91 is: 174,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,098.99 : 323,055.56 = 126,670.91 : x
  2. Step 2: Convert to fraction form
    234,098.99/323,055.56 = 126,670.91/x
  3. Step 3: Cross multiply
    234,098.99x = 323,055.56 × 126,670.91
  4. Step 4: Simplify right side
    234,098.99x = 40,921,741,765.76
  5. Step 5: Solve for x
    x = 40,921,741,765.76/234,098.99
  6. Step 6: Final answer
    x = 174,805.29

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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.