Home / 87,131.36-130,755.30-37,223.12

Finding the Fourth Proportional to 87,131.36, 130,755.30 and 37,223.12

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Solution

The fourth proportional to 87,131.36, 130,755.30 and 37,223.12 is: 55,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,131.36 : 130,755.30 = 37,223.12 : x
  2. Step 2: Convert to fraction form
    87,131.36/130,755.30 = 37,223.12/x
  3. Step 3: Cross multiply
    87,131.36x = 130,755.30 × 37,223.12
  4. Step 4: Simplify right side
    87,131.36x = 4,867,120,222.54
  5. Step 5: Solve for x
    x = 4,867,120,222.54/87,131.36
  6. Step 6: Final answer
    x = 55,859.57

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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.