Home / 87,187.44-120,286.56-53,184.48

Finding the Fourth Proportional to 87,187.44, 120,286.56 and 53,184.48

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Solution

The fourth proportional to 87,187.44, 120,286.56 and 53,184.48 is: 73,375.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,187.44 : 120,286.56 = 53,184.48 : x
  2. Step 2: Convert to fraction form
    87,187.44/120,286.56 = 53,184.48/x
  3. Step 3: Cross multiply
    87,187.44x = 120,286.56 × 53,184.48
  4. Step 4: Simplify right side
    87,187.44x = 6,397,378,144.59
  5. Step 5: Solve for x
    x = 6,397,378,144.59/87,187.44
  6. Step 6: Final answer
    x = 73,375.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.