Home / 135,880.56-187,532.46-82,165.96

Finding the Fourth Proportional to 135,880.56, 187,532.46 and 82,165.96

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Solution

The fourth proportional to 135,880.56, 187,532.46 and 82,165.96 is: 113,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,880.56 : 187,532.46 = 82,165.96 : x
  2. Step 2: Convert to fraction form
    135,880.56/187,532.46 = 82,165.96/x
  3. Step 3: Cross multiply
    135,880.56x = 187,532.46 × 82,165.96
  4. Step 4: Simplify right side
    135,880.56x = 15,408,784,607.06
  5. Step 5: Solve for x
    x = 15,408,784,607.06/135,880.56
  6. Step 6: Final answer
    x = 113,399.48

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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.