Home / 185,546.27-278,318.67-67,189.92

Finding the Fourth Proportional to 185,546.27, 278,318.67 and 67,189.92

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Solution

The fourth proportional to 185,546.27, 278,318.67 and 67,189.92 is: 100,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,546.27 : 278,318.67 = 67,189.92 : x
  2. Step 2: Convert to fraction form
    185,546.27/278,318.67 = 67,189.92/x
  3. Step 3: Cross multiply
    185,546.27x = 278,318.67 × 67,189.92
  4. Step 4: Simplify right side
    185,546.27x = 18,700,209,171.81
  5. Step 5: Solve for x
    x = 18,700,209,171.81/185,546.27
  6. Step 6: Final answer
    x = 100,784.62

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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.