Home / 87,370.60-131,022.62-31,200.24

Finding the Fourth Proportional to 87,370.60, 131,022.62 and 31,200.24

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Solution

The fourth proportional to 87,370.60, 131,022.62 and 31,200.24 is: 46,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370.60 : 131,022.62 = 31,200.24 : x
  2. Step 2: Convert to fraction form
    87,370.60/131,022.62 = 31,200.24/x
  3. Step 3: Cross multiply
    87,370.60x = 131,022.62 × 31,200.24
  4. Step 4: Simplify right side
    87,370.60x = 4,087,937,189.43
  5. Step 5: Solve for x
    x = 4,087,937,189.43/87,370.60
  6. Step 6: Final answer
    x = 46,788.48

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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.