Home / 133,298.60-199,872.30-54,320.36

Finding the Fourth Proportional to 133,298.60, 199,872.30 and 54,320.36

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Solution

The fourth proportional to 133,298.60, 199,872.30 and 54,320.36 is: 81,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,298.60 : 199,872.30 = 54,320.36 : x
  2. Step 2: Convert to fraction form
    133,298.60/199,872.30 = 54,320.36/x
  3. Step 3: Cross multiply
    133,298.60x = 199,872.30 × 54,320.36
  4. Step 4: Simplify right side
    133,298.60x = 10,857,135,290.03
  5. Step 5: Solve for x
    x = 10,857,135,290.03/133,298.60
  6. Step 6: Final answer
    x = 81,449.73

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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.