Home / 87,186.24-120,310.80-49,466.40

Finding the Fourth Proportional to 87,186.24, 120,310.80 and 49,466.40

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Solution

The fourth proportional to 87,186.24, 120,310.80 and 49,466.40 is: 68,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,186.24 : 120,310.80 = 49,466.40 : x
  2. Step 2: Convert to fraction form
    87,186.24/120,310.80 = 49,466.40/x
  3. Step 3: Cross multiply
    87,186.24x = 120,310.80 × 49,466.40
  4. Step 4: Simplify right side
    87,186.24x = 5,951,342,157.12
  5. Step 5: Solve for x
    x = 5,951,342,157.12/87,186.24
  6. Step 6: Final answer
    x = 68,260.11

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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.