Home / 82,201.75-123,303.67-28,891.58

Finding the Fourth Proportional to 82,201.75, 123,303.67 and 28,891.58

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Solution

The fourth proportional to 82,201.75, 123,303.67 and 28,891.58 is: 43,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,201.75 : 123,303.67 = 28,891.58 : x
  2. Step 2: Convert to fraction form
    82,201.75/123,303.67 = 28,891.58/x
  3. Step 3: Cross multiply
    82,201.75x = 123,303.67 × 28,891.58
  4. Step 4: Simplify right side
    82,201.75x = 3,562,437,157.35
  5. Step 5: Solve for x
    x = 3,562,437,157.35/82,201.75
  6. Step 6: Final answer
    x = 43,337.73

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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.