Home / 187,102.26-280,619.58-53,949.78

Finding the Fourth Proportional to 187,102.26, 280,619.58 and 53,949.78

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Solution

The fourth proportional to 187,102.26, 280,619.58 and 53,949.78 is: 80,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,102.26 : 280,619.58 = 53,949.78 : x
  2. Step 2: Convert to fraction form
    187,102.26/280,619.58 = 53,949.78/x
  3. Step 3: Cross multiply
    187,102.26x = 280,619.58 × 53,949.78
  4. Step 4: Simplify right side
    187,102.26x = 15,139,364,604.69
  5. Step 5: Solve for x
    x = 15,139,364,604.69/187,102.26
  6. Step 6: Final answer
    x = 80,914.92

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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.