Home / 234,349.12-323,401.98-126,919.36

Finding the Fourth Proportional to 234,349.12, 323,401.98 and 126,919.36

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Solution

The fourth proportional to 234,349.12, 323,401.98 and 126,919.36 is: 175,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,349.12 : 323,401.98 = 126,919.36 : x
  2. Step 2: Convert to fraction form
    234,349.12/323,401.98 = 126,919.36/x
  3. Step 3: Cross multiply
    234,349.12x = 323,401.98 × 126,919.36
  4. Step 4: Simplify right side
    234,349.12x = 41,045,972,324.33
  5. Step 5: Solve for x
    x = 41,045,972,324.33/234,349.12
  6. Step 6: Final answer
    x = 175,148.82

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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.