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Finding the Fourth Proportional to 133,353.20, 200,029.80 and 54,415.60

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Solution

The fourth proportional to 133,353.20, 200,029.80 and 54,415.60 is: 81,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,353.20 : 200,029.80 = 54,415.60 : x
  2. Step 2: Convert to fraction form
    133,353.20/200,029.80 = 54,415.60/x
  3. Step 3: Cross multiply
    133,353.20x = 200,029.80 × 54,415.60
  4. Step 4: Simplify right side
    133,353.20x = 10,884,741,584.88
  5. Step 5: Solve for x
    x = 10,884,741,584.88/133,353.20
  6. Step 6: Final answer
    x = 81,623.40

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1.5x scale

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.