Home / 106,564.32-159,846.80-27,679.20

Finding the Fourth Proportional to 106,564.32, 159,846.80 and 27,679.20

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Solution

The fourth proportional to 106,564.32, 159,846.80 and 27,679.20 is: 41,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,564.32 : 159,846.80 = 27,679.20 : x
  2. Step 2: Convert to fraction form
    106,564.32/159,846.80 = 27,679.20/x
  3. Step 3: Cross multiply
    106,564.32x = 159,846.80 × 27,679.20
  4. Step 4: Simplify right side
    106,564.32x = 4,424,431,546.56
  5. Step 5: Solve for x
    x = 4,424,431,546.56/106,564.32
  6. Step 6: Final answer
    x = 41,518.88

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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.