Home / 133,519.31-200,285.44-43,561.85

Finding the Fourth Proportional to 133,519.31, 200,285.44 and 43,561.85

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Solution

The fourth proportional to 133,519.31, 200,285.44 and 43,561.85 is: 65,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,519.31 : 200,285.44 = 43,561.85 : x
  2. Step 2: Convert to fraction form
    133,519.31/200,285.44 = 43,561.85/x
  3. Step 3: Cross multiply
    133,519.31x = 200,285.44 × 43,561.85
  4. Step 4: Simplify right side
    133,519.31x = 8,724,804,686.27
  5. Step 5: Solve for x
    x = 8,724,804,686.27/133,519.31
  6. Step 6: Final answer
    x = 65,344.89

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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.