Home / 82,255.73-123,432.74-75,563.45

Finding the Fourth Proportional to 82,255.73, 123,432.74 and 75,563.45

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Solution

The fourth proportional to 82,255.73, 123,432.74 and 75,563.45 is: 113,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,255.73 : 123,432.74 = 75,563.45 : x
  2. Step 2: Convert to fraction form
    82,255.73/123,432.74 = 75,563.45/x
  3. Step 3: Cross multiply
    82,255.73x = 123,432.74 × 75,563.45
  4. Step 4: Simplify right side
    82,255.73x = 9,327,003,299.54
  5. Step 5: Solve for x
    x = 9,327,003,299.54/82,255.73
  6. Step 6: Final answer
    x = 113,390.32

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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.