Home / 80,087.90-120,134.25-27,496.58

Finding the Fourth Proportional to 80,087.90, 120,134.25 and 27,496.58

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Solution

The fourth proportional to 80,087.90, 120,134.25 and 27,496.58 is: 41,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,087.90 : 120,134.25 = 27,496.58 : x
  2. Step 2: Convert to fraction form
    80,087.90/120,134.25 = 27,496.58/x
  3. Step 3: Cross multiply
    80,087.90x = 120,134.25 × 27,496.58
  4. Step 4: Simplify right side
    80,087.90x = 3,303,281,015.87
  5. Step 5: Solve for x
    x = 3,303,281,015.87/80,087.90
  6. Step 6: Final answer
    x = 41,245.69

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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.