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Finding the Fourth Proportional to 133,043.60, 199,565.40 and 95,864.60

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Solution

The fourth proportional to 133,043.60, 199,565.40 and 95,864.60 is: 143,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.60 : 199,565.40 = 95,864.60 : x
  2. Step 2: Convert to fraction form
    133,043.60/199,565.40 = 95,864.60/x
  3. Step 3: Cross multiply
    133,043.60x = 199,565.40 × 95,864.60
  4. Step 4: Simplify right side
    133,043.60x = 19,131,257,244.84
  5. Step 5: Solve for x
    x = 19,131,257,244.84/133,043.60
  6. Step 6: Final answer
    x = 143,796.90

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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.