Home / 133,542.19-200,333.03-38,760.09

Finding the Fourth Proportional to 133,542.19, 200,333.03 and 38,760.09

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Solution

The fourth proportional to 133,542.19, 200,333.03 and 38,760.09 is: 58,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,542.19 : 200,333.03 = 38,760.09 : x
  2. Step 2: Convert to fraction form
    133,542.19/200,333.03 = 38,760.09/x
  3. Step 3: Cross multiply
    133,542.19x = 200,333.03 × 38,760.09
  4. Step 4: Simplify right side
    133,542.19x = 7,764,926,272.77
  5. Step 5: Solve for x
    x = 7,764,926,272.77/133,542.19
  6. Step 6: Final answer
    x = 58,145.87

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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.