Home / 230,112.52-345,160.58-80,352.23

Finding the Fourth Proportional to 230,112.52, 345,160.58 and 80,352.23

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Solution

The fourth proportional to 230,112.52, 345,160.58 and 80,352.23 is: 120,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,112.52 : 345,160.58 = 80,352.23 : x
  2. Step 2: Convert to fraction form
    230,112.52/345,160.58 = 80,352.23/x
  3. Step 3: Cross multiply
    230,112.52x = 345,160.58 × 80,352.23
  4. Step 4: Simplify right side
    230,112.52x = 27,734,420,183.53
  5. Step 5: Solve for x
    x = 27,734,420,183.53/230,112.52
  6. Step 6: Final answer
    x = 120,525.47

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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.