Home / 234,235.12-323,241.74-126,802.78

Finding the Fourth Proportional to 234,235.12, 323,241.74 and 126,802.78

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Solution

The fourth proportional to 234,235.12, 323,241.74 and 126,802.78 is: 174,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,235.12 : 323,241.74 = 126,802.78 : x
  2. Step 2: Convert to fraction form
    234,235.12/323,241.74 = 126,802.78/x
  3. Step 3: Cross multiply
    234,235.12x = 323,241.74 × 126,802.78
  4. Step 4: Simplify right side
    234,235.12x = 40,987,951,244.04
  5. Step 5: Solve for x
    x = 40,987,951,244.04/234,235.12
  6. Step 6: Final answer
    x = 174,986.36

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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.