Home / 87,148.72-120,267.66-48,910.64

Finding the Fourth Proportional to 87,148.72, 120,267.66 and 48,910.64

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Solution

The fourth proportional to 87,148.72, 120,267.66 and 48,910.64 is: 67,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,148.72 : 120,267.66 = 48,910.64 : x
  2. Step 2: Convert to fraction form
    87,148.72/120,267.66 = 48,910.64/x
  3. Step 3: Cross multiply
    87,148.72x = 120,267.66 × 48,910.64
  4. Step 4: Simplify right side
    87,148.72x = 5,882,368,221.90
  5. Step 5: Solve for x
    x = 5,882,368,221.90/87,148.72
  6. Step 6: Final answer
    x = 67,498.04

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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.