Home / 230,071.44-345,190.20-80,333.80

Finding the Fourth Proportional to 230,071.44, 345,190.20 and 80,333.80

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Solution

The fourth proportional to 230,071.44, 345,190.20 and 80,333.80 is: 120,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,071.44 : 345,190.20 = 80,333.80 : x
  2. Step 2: Convert to fraction form
    230,071.44/345,190.20 = 80,333.80/x
  3. Step 3: Cross multiply
    230,071.44x = 345,190.20 × 80,333.80
  4. Step 4: Simplify right side
    230,071.44x = 27,730,440,488.76
  5. Step 5: Solve for x
    x = 27,730,440,488.76/230,071.44
  6. Step 6: Final answer
    x = 120,529.69

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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.