Home / 82,407.08-123,446.84-40,163.97

Finding the Fourth Proportional to 82,407.08, 123,446.84 and 40,163.97

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Solution

The fourth proportional to 82,407.08, 123,446.84 and 40,163.97 is: 60,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,407.08 : 123,446.84 = 40,163.97 : x
  2. Step 2: Convert to fraction form
    82,407.08/123,446.84 = 40,163.97/x
  3. Step 3: Cross multiply
    82,407.08x = 123,446.84 × 40,163.97
  4. Step 4: Simplify right side
    82,407.08x = 4,958,114,977.53
  5. Step 5: Solve for x
    x = 4,958,114,977.53/82,407.08
  6. Step 6: Final answer
    x = 60,166.13

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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.