Home / 230,016.72-345,057.48-80,235.17

Finding the Fourth Proportional to 230,016.72, 345,057.48 and 80,235.17

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Solution

The fourth proportional to 230,016.72, 345,057.48 and 80,235.17 is: 120,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,016.72 : 345,057.48 = 80,235.17 : x
  2. Step 2: Convert to fraction form
    230,016.72/345,057.48 = 80,235.17/x
  3. Step 3: Cross multiply
    230,016.72x = 345,057.48 × 80,235.17
  4. Step 4: Simplify right side
    230,016.72x = 27,685,743,842.28
  5. Step 5: Solve for x
    x = 27,685,743,842.28/230,016.72
  6. Step 6: Final answer
    x = 120,364.05

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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.