Home / 234,150.68-323,127.94-126,721.48

Finding the Fourth Proportional to 234,150.68, 323,127.94 and 126,721.48

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Solution

The fourth proportional to 234,150.68, 323,127.94 and 126,721.48 is: 174,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,150.68 : 323,127.94 = 126,721.48 : x
  2. Step 2: Convert to fraction form
    234,150.68/323,127.94 = 126,721.48/x
  3. Step 3: Cross multiply
    234,150.68x = 323,127.94 × 126,721.48
  4. Step 4: Simplify right side
    234,150.68x = 40,947,250,786.15
  5. Step 5: Solve for x
    x = 40,947,250,786.15/234,150.68
  6. Step 6: Final answer
    x = 174,875.64

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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.