Home / 217,319.28-325,790.46-84,107.85

Finding the Fourth Proportional to 217,319.28, 325,790.46 and 84,107.85

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Solution

The fourth proportional to 217,319.28, 325,790.46 and 84,107.85 is: 126,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,319.28 : 325,790.46 = 84,107.85 : x
  2. Step 2: Convert to fraction form
    217,319.28/325,790.46 = 84,107.85/x
  3. Step 3: Cross multiply
    217,319.28x = 325,790.46 × 84,107.85
  4. Step 4: Simplify right side
    217,319.28x = 27,401,535,141.11
  5. Step 5: Solve for x
    x = 27,401,535,141.11/217,319.28
  6. Step 6: Final answer
    x = 126,088.84

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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.