Home / 82,179.48-123,197.88-40,000.92

Finding the Fourth Proportional to 82,179.48, 123,197.88 and 40,000.92

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Solution

The fourth proportional to 82,179.48, 123,197.88 and 40,000.92 is: 59,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,179.48 : 123,197.88 = 40,000.92 : x
  2. Step 2: Convert to fraction form
    82,179.48/123,197.88 = 40,000.92/x
  3. Step 3: Cross multiply
    82,179.48x = 123,197.88 × 40,000.92
  4. Step 4: Simplify right side
    82,179.48x = 4,928,028,542.05
  5. Step 5: Solve for x
    x = 4,928,028,542.05/82,179.48
  6. Step 6: Final answer
    x = 59,966.66

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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.