Home / 230,069.19-345,204.25-80,416.87

Finding the Fourth Proportional to 230,069.19, 345,204.25 and 80,416.87

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Solution

The fourth proportional to 230,069.19, 345,204.25 and 80,416.87 is: 120,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,069.19 : 345,204.25 = 80,416.87 : x
  2. Step 2: Convert to fraction form
    230,069.19/345,204.25 = 80,416.87/x
  3. Step 3: Cross multiply
    230,069.19x = 345,204.25 × 80,416.87
  4. Step 4: Simplify right side
    230,069.19x = 27,760,244,231.64
  5. Step 5: Solve for x
    x = 27,760,244,231.64/230,069.19
  6. Step 6: Final answer
    x = 120,660.41

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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.