Home / 87,348.36-131,029.38-31,200.60

Finding the Fourth Proportional to 87,348.36, 131,029.38 and 31,200.60

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Solution

The fourth proportional to 87,348.36, 131,029.38 and 31,200.60 is: 46,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.36 : 131,029.38 = 31,200.60 : x
  2. Step 2: Convert to fraction form
    87,348.36/131,029.38 = 31,200.60/x
  3. Step 3: Cross multiply
    87,348.36x = 131,029.38 × 31,200.60
  4. Step 4: Simplify right side
    87,348.36x = 4,088,195,273.63
  5. Step 5: Solve for x
    x = 4,088,195,273.63/87,348.36
  6. Step 6: Final answer
    x = 46,803.34

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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.