Home / 203,059.50-280,183.23-131,429.58

Finding the Fourth Proportional to 203,059.50, 280,183.23 and 131,429.58

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Solution

The fourth proportional to 203,059.50, 280,183.23 and 131,429.58 is: 181,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,059.50 : 280,183.23 = 131,429.58 : x
  2. Step 2: Convert to fraction form
    203,059.50/280,183.23 = 131,429.58/x
  3. Step 3: Cross multiply
    203,059.50x = 280,183.23 × 131,429.58
  4. Step 4: Simplify right side
    203,059.50x = 36,824,364,241.94
  5. Step 5: Solve for x
    x = 36,824,364,241.94/203,059.50
  6. Step 6: Final answer
    x = 181,347.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.