Home / 187,288.97-280,214.60-107,365.25

Finding the Fourth Proportional to 187,288.97, 280,214.60 and 107,365.25

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Solution

The fourth proportional to 187,288.97, 280,214.60 and 107,365.25 is: 160,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,288.97 : 280,214.60 = 107,365.25 : x
  2. Step 2: Convert to fraction form
    187,288.97/280,214.60 = 107,365.25/x
  3. Step 3: Cross multiply
    187,288.97x = 280,214.60 × 107,365.25
  4. Step 4: Simplify right side
    187,288.97x = 30,085,310,746.36
  5. Step 5: Solve for x
    x = 30,085,310,746.36/187,288.97
  6. Step 6: Final answer
    x = 160,635.79

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1.5x scale

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.