Home / 110,564.82-152,568.92-64,635.20

Finding the Fourth Proportional to 110,564.82, 152,568.92 and 64,635.20

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Solution

The fourth proportional to 110,564.82, 152,568.92 and 64,635.20 is: 89,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,564.82 : 152,568.92 = 64,635.20 : x
  2. Step 2: Convert to fraction form
    110,564.82/152,568.92 = 64,635.20/x
  3. Step 3: Cross multiply
    110,564.82x = 152,568.92 × 64,635.20
  4. Step 4: Simplify right side
    110,564.82x = 9,861,322,716.23
  5. Step 5: Solve for x
    x = 9,861,322,716.23/110,564.82
  6. Step 6: Final answer
    x = 89,190.42

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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.