Home / 80,189.32-120,350.94-52,122.28

Finding the Fourth Proportional to 80,189.32, 120,350.94 and 52,122.28

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Solution

The fourth proportional to 80,189.32, 120,350.94 and 52,122.28 is: 78,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,189.32 : 120,350.94 = 52,122.28 : x
  2. Step 2: Convert to fraction form
    80,189.32/120,350.94 = 52,122.28/x
  3. Step 3: Cross multiply
    80,189.32x = 120,350.94 × 52,122.28
  4. Step 4: Simplify right side
    80,189.32x = 6,272,965,392.94
  5. Step 5: Solve for x
    x = 6,272,965,392.94/80,189.32
  6. Step 6: Final answer
    x = 78,226.94

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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.