Home / 82,289.25-123,353.55-40,167.63

Finding the Fourth Proportional to 82,289.25, 123,353.55 and 40,167.63

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Solution

The fourth proportional to 82,289.25, 123,353.55 and 40,167.63 is: 60,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,289.25 : 123,353.55 = 40,167.63 : x
  2. Step 2: Convert to fraction form
    82,289.25/123,353.55 = 40,167.63/x
  3. Step 3: Cross multiply
    82,289.25x = 123,353.55 × 40,167.63
  4. Step 4: Simplify right side
    82,289.25x = 4,954,819,755.59
  5. Step 5: Solve for x
    x = 4,954,819,755.59/82,289.25
  6. Step 6: Final answer
    x = 60,212.24

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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.