Home / 133,986.20-200,633.70-106,338.20

Finding the Fourth Proportional to 133,986.20, 200,633.70 and 106,338.20

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Solution

The fourth proportional to 133,986.20, 200,633.70 and 106,338.20 is: 159,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,986.20 : 200,633.70 = 106,338.20 : x
  2. Step 2: Convert to fraction form
    133,986.20/200,633.70 = 106,338.20/x
  3. Step 3: Cross multiply
    133,986.20x = 200,633.70 × 106,338.20
  4. Step 4: Simplify right side
    133,986.20x = 21,335,026,517.34
  5. Step 5: Solve for x
    x = 21,335,026,517.34/133,986.20
  6. Step 6: Final answer
    x = 159,233.01

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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.