Home / 149,977.28-206,958.24-82,904

Finding the Fourth Proportional to 149,977.28, 206,958.24 and 82,904

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Solution

The fourth proportional to 149,977.28, 206,958.24 and 82,904 is: 114,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,977.28 : 206,958.24 = 82,904 : x
  2. Step 2: Convert to fraction form
    149,977.28/206,958.24 = 82,904/x
  3. Step 3: Cross multiply
    149,977.28x = 206,958.24 × 82,904
  4. Step 4: Simplify right side
    149,977.28x = 17,157,665,928.96
  5. Step 5: Solve for x
    x = 17,157,665,928.96/149,977.28
  6. Step 6: Final answer
    x = 114,401.77

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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.