Home / 187,005.28-280,610-108,273.28

Finding the Fourth Proportional to 187,005.28, 280,610 and 108,273.28

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Solution

The fourth proportional to 187,005.28, 280,610 and 108,273.28 is: 162,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,005.28 : 280,610 = 108,273.28 : x
  2. Step 2: Convert to fraction form
    187,005.28/280,610 = 108,273.28/x
  3. Step 3: Cross multiply
    187,005.28x = 280,610 × 108,273.28
  4. Step 4: Simplify right side
    187,005.28x = 30,382,565,100.80
  5. Step 5: Solve for x
    x = 30,382,565,100.80/187,005.28
  6. Step 6: Final answer
    x = 162,469.02

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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.