Home / 80,081.04-120,164.34-51,994.44

Finding the Fourth Proportional to 80,081.04, 120,164.34 and 51,994.44

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Solution

The fourth proportional to 80,081.04, 120,164.34 and 51,994.44 is: 78,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,081.04 : 120,164.34 = 51,994.44 : x
  2. Step 2: Convert to fraction form
    80,081.04/120,164.34 = 51,994.44/x
  3. Step 3: Cross multiply
    80,081.04x = 120,164.34 × 51,994.44
  4. Step 4: Simplify right side
    80,081.04x = 6,247,877,566.27
  5. Step 5: Solve for x
    x = 6,247,877,566.27/80,081.04
  6. Step 6: Final answer
    x = 78,019.44

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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.