Home / 187,491.39-281,149.59-108,628.17

Finding the Fourth Proportional to 187,491.39, 281,149.59 and 108,628.17

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Solution

The fourth proportional to 187,491.39, 281,149.59 and 108,628.17 is: 162,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,491.39 : 281,149.59 = 108,628.17 : x
  2. Step 2: Convert to fraction form
    187,491.39/281,149.59 = 108,628.17/x
  3. Step 3: Cross multiply
    187,491.39x = 281,149.59 × 108,628.17
  4. Step 4: Simplify right side
    187,491.39x = 30,540,765,457.95
  5. Step 5: Solve for x
    x = 30,540,765,457.95/187,491.39
  6. Step 6: Final answer
    x = 162,891.56

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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.