Home / 421,984.69-632,977.03-126,496.69

Finding the Fourth Proportional to 421,984.69, 632,977.03 and 126,496.69

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Solution

The fourth proportional to 421,984.69, 632,977.03 and 126,496.69 is: 189,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,984.69 : 632,977.03 = 126,496.69 : x
  2. Step 2: Convert to fraction form
    421,984.69/632,977.03 = 126,496.69/x
  3. Step 3: Cross multiply
    421,984.69x = 632,977.03 × 126,496.69
  4. Step 4: Simplify right side
    421,984.69x = 80,069,497,716.71
  5. Step 5: Solve for x
    x = 80,069,497,716.71/421,984.69
  6. Step 6: Final answer
    x = 189,745.03

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.