Home / 234,128.39-323,097.18-126,698.42

Finding the Fourth Proportional to 234,128.39, 323,097.18 and 126,698.42

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Solution

The fourth proportional to 234,128.39, 323,097.18 and 126,698.42 is: 174,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,128.39 : 323,097.18 = 126,698.42 : x
  2. Step 2: Convert to fraction form
    234,128.39/323,097.18 = 126,698.42/x
  3. Step 3: Cross multiply
    234,128.39x = 323,097.18 × 126,698.42
  4. Step 4: Simplify right side
    234,128.39x = 40,935,903,257.76
  5. Step 5: Solve for x
    x = 40,935,903,257.76/234,128.39
  6. Step 6: Final answer
    x = 174,843.82

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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.