Home / 84,217.03-126,308.46-30,890.86

Finding the Fourth Proportional to 84,217.03, 126,308.46 and 30,890.86

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Solution

The fourth proportional to 84,217.03, 126,308.46 and 30,890.86 is: 46,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217.03 : 126,308.46 = 30,890.86 : x
  2. Step 2: Convert to fraction form
    84,217.03/126,308.46 = 30,890.86/x
  3. Step 3: Cross multiply
    84,217.03x = 126,308.46 × 30,890.86
  4. Step 4: Simplify right side
    84,217.03x = 3,901,776,954.68
  5. Step 5: Solve for x
    x = 3,901,776,954.68/84,217.03
  6. Step 6: Final answer
    x = 46,330.02

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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.