Home / 221,614.37-305,839.27-135,546.35

Finding the Fourth Proportional to 221,614.37, 305,839.27 and 135,546.35

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Solution

The fourth proportional to 221,614.37, 305,839.27 and 135,546.35 is: 187,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,614.37 : 305,839.27 = 135,546.35 : x
  2. Step 2: Convert to fraction form
    221,614.37/305,839.27 = 135,546.35/x
  3. Step 3: Cross multiply
    221,614.37x = 305,839.27 × 135,546.35
  4. Step 4: Simplify right side
    221,614.37x = 41,455,396,735.16
  5. Step 5: Solve for x
    x = 41,455,396,735.16/221,614.37
  6. Step 6: Final answer
    x = 187,060.96

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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.