Home / 126,132.62-174,814.37-123,770.66

Finding the Fourth Proportional to 126,132.62, 174,814.37 and 123,770.66

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Solution

The fourth proportional to 126,132.62, 174,814.37 and 123,770.66 is: 171,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.62 : 174,814.37 = 123,770.66 : x
  2. Step 2: Convert to fraction form
    126,132.62/174,814.37 = 123,770.66/x
  3. Step 3: Cross multiply
    126,132.62x = 174,814.37 × 123,770.66
  4. Step 4: Simplify right side
    126,132.62x = 21,636,888,459.46
  5. Step 5: Solve for x
    x = 21,636,888,459.46/126,132.62
  6. Step 6: Final answer
    x = 171,540.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.