Home / 135,546.96-187,046.37-75,114.09

Finding the Fourth Proportional to 135,546.96, 187,046.37 and 75,114.09

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Solution

The fourth proportional to 135,546.96, 187,046.37 and 75,114.09 is: 103,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,546.96 : 187,046.37 = 75,114.09 : x
  2. Step 2: Convert to fraction form
    135,546.96/187,046.37 = 75,114.09/x
  3. Step 3: Cross multiply
    135,546.96x = 187,046.37 × 75,114.09
  4. Step 4: Simplify right side
    135,546.96x = 14,049,817,870.35
  5. Step 5: Solve for x
    x = 14,049,817,870.35/135,546.96
  6. Step 6: Final answer
    x = 103,652.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.