Home / 109,202.64-150,661.99-66,195.96

Finding the Fourth Proportional to 109,202.64, 150,661.99 and 66,195.96

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Solution

The fourth proportional to 109,202.64, 150,661.99 and 66,195.96 is: 91,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,202.64 : 150,661.99 = 66,195.96 : x
  2. Step 2: Convert to fraction form
    109,202.64/150,661.99 = 66,195.96/x
  3. Step 3: Cross multiply
    109,202.64x = 150,661.99 × 66,195.96
  4. Step 4: Simplify right side
    109,202.64x = 9,973,215,063.56
  5. Step 5: Solve for x
    x = 9,973,215,063.56/109,202.64
  6. Step 6: Final answer
    x = 91,327.60

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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.