Home / 135,735.62-187,306.70-75,305.03

Finding the Fourth Proportional to 135,735.62, 187,306.70 and 75,305.03

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Solution

The fourth proportional to 135,735.62, 187,306.70 and 75,305.03 is: 103,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,735.62 : 187,306.70 = 75,305.03 : x
  2. Step 2: Convert to fraction form
    135,735.62/187,306.70 = 75,305.03/x
  3. Step 3: Cross multiply
    135,735.62x = 187,306.70 × 75,305.03
  4. Step 4: Simplify right side
    135,735.62x = 14,105,135,349.64
  5. Step 5: Solve for x
    x = 14,105,135,349.64/135,735.62
  6. Step 6: Final answer
    x = 103,916.24

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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.