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Finding the Fourth Proportional to 133,288.80, 200,046.60 and 54,459.60

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Solution

The fourth proportional to 133,288.80, 200,046.60 and 54,459.60 is: 81,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,288.80 : 200,046.60 = 54,459.60 : x
  2. Step 2: Convert to fraction form
    133,288.80/200,046.60 = 54,459.60/x
  3. Step 3: Cross multiply
    133,288.80x = 200,046.60 × 54,459.60
  4. Step 4: Simplify right side
    133,288.80x = 10,894,457,817.36
  5. Step 5: Solve for x
    x = 10,894,457,817.36/133,288.80
  6. Step 6: Final answer
    x = 81,735.73

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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.