Home / 87,334.36-131,029.21-31,173.22

Finding the Fourth Proportional to 87,334.36, 131,029.21 and 31,173.22

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Solution

The fourth proportional to 87,334.36, 131,029.21 and 31,173.22 is: 46,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,334.36 : 131,029.21 = 31,173.22 : x
  2. Step 2: Convert to fraction form
    87,334.36/131,029.21 = 31,173.22/x
  3. Step 3: Cross multiply
    87,334.36x = 131,029.21 × 31,173.22
  4. Step 4: Simplify right side
    87,334.36x = 4,084,602,389.76
  5. Step 5: Solve for x
    x = 4,084,602,389.76/87,334.36
  6. Step 6: Final answer
    x = 46,769.71

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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.