Home / 118,058.24-177,022.44-80,660.56

Finding the Fourth Proportional to 118,058.24, 177,022.44 and 80,660.56

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Solution

The fourth proportional to 118,058.24, 177,022.44 and 80,660.56 is: 120,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,058.24 : 177,022.44 = 80,660.56 : x
  2. Step 2: Convert to fraction form
    118,058.24/177,022.44 = 80,660.56/x
  3. Step 3: Cross multiply
    118,058.24x = 177,022.44 × 80,660.56
  4. Step 4: Simplify right side
    118,058.24x = 14,278,729,142.97
  5. Step 5: Solve for x
    x = 14,278,729,142.97/118,058.24
  6. Step 6: Final answer
    x = 120,946.48

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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.