Home / 135,276.12-202,939.70-41,760

Finding the Fourth Proportional to 135,276.12, 202,939.70 and 41,760

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Solution

The fourth proportional to 135,276.12, 202,939.70 and 41,760 is: 62,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,276.12 : 202,939.70 = 41,760 : x
  2. Step 2: Convert to fraction form
    135,276.12/202,939.70 = 41,760/x
  3. Step 3: Cross multiply
    135,276.12x = 202,939.70 × 41,760
  4. Step 4: Simplify right side
    135,276.12x = 8,474,761,663.20
  5. Step 5: Solve for x
    x = 8,474,761,663.20/135,276.12
  6. Step 6: Final answer
    x = 62,647.88

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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.