Home / 133,372.05-200,214.35-105,311.03

Finding the Fourth Proportional to 133,372.05, 200,214.35 and 105,311.03

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Solution

The fourth proportional to 133,372.05, 200,214.35 and 105,311.03 is: 158,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,372.05 : 200,214.35 = 105,311.03 : x
  2. Step 2: Convert to fraction form
    133,372.05/200,214.35 = 105,311.03/x
  3. Step 3: Cross multiply
    133,372.05x = 200,214.35 × 105,311.03
  4. Step 4: Simplify right side
    133,372.05x = 21,084,777,891.65
  5. Step 5: Solve for x
    x = 21,084,777,891.65/133,372.05
  6. Step 6: Final answer
    x = 158,089.93

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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.