Home / 129,984.40-194,976.60-63,467.20

Finding the Fourth Proportional to 129,984.40, 194,976.60 and 63,467.20

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Solution

The fourth proportional to 129,984.40, 194,976.60 and 63,467.20 is: 95,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.40 : 194,976.60 = 63,467.20 : x
  2. Step 2: Convert to fraction form
    129,984.40/194,976.60 = 63,467.20/x
  3. Step 3: Cross multiply
    129,984.40x = 194,976.60 × 63,467.20
  4. Step 4: Simplify right side
    129,984.40x = 12,374,618,867.52
  5. Step 5: Solve for x
    x = 12,374,618,867.52/129,984.40
  6. Step 6: Final answer
    x = 95,200.80

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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.